
Kristin Ess Leave-In Curl Conditioner - Hydrates, Controls Frizz, Vegan - 8.45 fl oz


Cetrimonium Chloride
High RiskCetrimonium chloride is a quaternary ammonium compound commonly used in personal care products as a conditioning agent and emulsifier. It aids in improving the texture and manageability of hair and skin, serving as a surfactant that reduces surface tension.
Sustai Insights
Cetrimonium chloride provides functional benefits as an effective conditioning agent, enhancing product performance. However, it poses moderate health risks, including potential allergenic reactions and irritation, while being classified with high usage restrictions by regulatory authorities. Environmental concerns include its status as a pollutant with potential bioaccumulative effects. Overall, the ingredient presents a high risk level, necessitating cautious usage and consideration of safer alternatives.
Sodium Lactate
High RiskSodium lactate is a sodium salt of lactic acid, commonly used in cosmetic and personal care products. It serves as a humectant, helping to retain moisture in the skin, and is also utilized for its buffering and antimicrobial properties.
Sustai Insights
Sodium lactate is effective in moisture retention and exhibits antimicrobial properties, contributing positively to product stability. However, it has restrictions on use due to potential health concerns, including enhanced skin absorption. Regulatory bodies have noted these concerns, categorizing the risk as high. It poses low risks regarding carcinogenicity, allergies, and reproductive toxicity. Safe usage practices are recommended, and alternatives like glycerin may provide similar benefits with lower risk profiles.
Aminomethyl Propanol
High RiskAminomethyl propanol is a small molecular weight buffering agent commonly used in cosmetic formulations to help maintain pH levels. It serves as an emulsifier and can enhance product stability and performance in various personal care products.
Sustai Insights
Aminomethyl propanol offers functional benefits as a buffering agent and enhances the stability of formulations. However, it is associated with skin and eye irritation and is subject to high use restrictions. Regulatory agencies have noted its potential risks, leading to an overall high-risk assessment. Safe usage practices should be followed, and alternatives such as milder pH adjusters may be considered.
Fragrance
High RiskFragrance refers to a mixture of aromatic compounds used in products to provide scent. It is commonly listed as 'fragrance' or 'parfum' on product labels and can serve various functions, including enhancing user experience and masking undesirable odors.
Sustai Insights
Fragrance offers functional benefits by improving product appeal; however, it poses significant health risks, notably a high likelihood of causing allergies and allergic contact dermatitis. Environmental risks include potential pollution and endocrine disruption, though its overall carcinogenicity is low. Regulatory bodies have noted concerns regarding its use, leading to a high-risk classification. Safe usage practices should be observed, and alternatives such as natural essential oils are recommended for those sensitive to synthetic fragrances.
Phenoxyethanol
Medium RiskPhenoxyethanol is a preservative used in cosmetics and personal care products to prevent microbial growth and extend shelf life. It is commonly found in formulations such as lotions, creams, and serums.
Sustai Insights
Phenoxyethanol serves effectively as a preservative, ensuring product stability and safety by inhibiting microbial growth. It is considered to have low health risks regarding carcinogenicity, allergies, and reproductive toxicity. However, moderate use restrictions exist, and regulatory bodies have advised caution in specific applications. Environmental concerns include its potential as a pollutant, although it is not highly bioaccumulative. Overall, the ingredient presents a medium risk level, with safe usage practices recommended and alternative preservatives available for those seeking greener options.
Tocopheryl Acetate
Medium RiskTocopheryl acetate is a chemical compound that serves primarily as a form of Vitamin E. It is used in cosmetic and personal care products for its antioxidant properties and to enhance skin stability and moisture.
Sustai Insights
Tocopheryl acetate is valued for its functional benefits, including acting as an antioxidant and skin conditioning agent. It is generally considered to have low carcinogenicity and reproductive toxicity risk, although it poses a moderate concern for allergies. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential noted. Regulatory bodies have not imposed significant restrictions. Safe usage practices should be followed, particularly regarding enhanced skin absorption. Alternatives like natural Vitamin E may provide similar benefits with potentially lower allergenic properties. Overall, this ingredient presents a medium risk assessment.
Histidine
Low RiskHistidine is an amino acid that serves as a building block for proteins. It plays a crucial role in various biological processes, including the synthesis of histamine, a compound involved in immune responses, and acts as a precursor for other important biomolecules.
Sustai Insights
Histidine is beneficial for protein synthesis and may support immune function due to its role in histamine production. It poses low health risks, with no significant concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, histidine is not associated with pollution or bioaccumulation. Regulatory bodies impose minimal restrictions, indicating overall low risk. Safe usage is generally supported, with no significant alternatives noted. Thus, histidine can be considered a low-risk ingredient in formulations.
Aspartic Acid
Low RiskAspartic acid is an amino acid that plays a vital role in the biosynthesis of proteins. It is naturally occurring in many foods and is also used in various dietary supplements and food products for its role in metabolic processes.
Sustai Insights
Aspartic acid serves functional benefits, such as supporting protein synthesis and metabolic health. It is considered low-risk for health concerns, including cancer, allergies, and reproductive toxicity. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential. Regulatory bodies, including the FDA, have not imposed significant restrictions. Overall, the ingredient is assessed to pose low risk, with safe usage practices recommended. Alternatives may include other amino acids, but Aspartic acid is generally well-tolerated and utilized.
Prunus Amygdalus Dulcis (Sweet Almond) Oil
Low RiskPrunus amygdalus dulcis (sweet almond) oil is derived from the seeds of the almond tree. It is commonly used in cosmetic formulations for its moisturizing properties and as a carrier oil for other active ingredients. Its light texture allows for easy absorption into the skin.
Sustai Insights
Sweet almond oil provides functional benefits such as effective skin hydration and enhancement of skin absorption for other compounds. It is sustainably sourced and biodegradable. Health risks are low, with minimal concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental risks are also low, with no significant pollutant or bioaccumulation potential. Regulatory bodies currently do not impose restrictions on its use. Overall, the risk assessment indicates a low risk level, making it a safe choice in cosmetic applications.
Alanine
Low RiskAlanine is a non-essential amino acid that plays a vital role in protein synthesis and energy production. It is commonly found in various food products and supplements, contributing to muscle metabolism and the immune system. Alanine is integral in the body's nitrogen balance and can be synthesized from other amino acids.
Sustai Insights
Alanine serves as a functional building block in proteins and supports energy production, making it beneficial for muscle metabolism. It is generally recognized as safe, with low concerns regarding health risks such as carcinogenicity, allergenicity, and reproductive toxicity. Additionally, it has a minimal environmental footprint, presenting low pollutant potential. Regulatory bodies have not placed significant restrictions on its use. Overall, alanine is assessed as low risk, making it a suitable ingredient in food and supplements.
Glycine
Low RiskGlycine is a naturally occurring amino acid that plays a crucial role in the synthesis of proteins and is involved in various metabolic processes. It is often used in dietary supplements and food products for its potential health benefits, including promoting collagen synthesis and supporting nervous system function.
Sustai Insights
Glycine serves as a functional amino acid essential for protein synthesis, contributing to collagen formation and potentially benefiting muscle health. It is generally recognized as safe with low associated health risks, including negligible concerns for carcinogenicity, allergies, and reproductive toxicity. Glycine is not known to pose significant environmental risks, as it is not a pollutant or bioaccumulative. Regulatory bodies, including the FDA, have no major restrictions on its use in products. Overall, glycine is considered low risk, making it a viable ingredient in various formulations.
Valine
Low RiskValine is an essential amino acid that plays a critical role in protein synthesis, muscle metabolism, and energy production. It is one of the branched-chain amino acids (BCAAs) and is primarily found in protein-rich foods. Valine is important for maintaining nitrogen balance in the body.
Sustai Insights
Valine offers functional benefits such as supporting muscle recovery and energy production during exercise. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. There are minimal environmental risks associated with valine, and it is not known to bioaccumulate. Regulatory bodies have not placed significant restrictions on its use, resulting in an overall low-risk assessment. Safe usage practices include adhering to recommended dietary intake levels, with alternatives such as leucine and isoleucine also available for similar benefits.
Threonine
Low RiskThreonine is an amino acid essential for protein synthesis in the body. It plays a role in various metabolic processes and is important for the production of collagen, elastin, and antibodies, contributing to overall health.
Sustai Insights
Threonine serves as a building block for proteins, supporting various biological functions, and is generally recognized as safe with low concerns for carcinogenicity, allergies, or reproductive toxicity. It is not associated with significant environmental risks and is not known to be bioaccumulative. Regulatory bodies have not imposed strict restrictions on its use. Overall, threonine presents a low risk profile, making it a viable ingredient in dietary and cosmetic applications, with no notable safer alternatives identified.
Isoleucine
Low RiskIsoleucine is an essential amino acid that plays a crucial role in protein synthesis and metabolic processes. It is one of the building blocks of proteins, contributing to muscle repair and growth, and is important for immune function and energy regulation.
Sustai Insights
Isoleucine is beneficial for muscle repair and growth, making it valuable in sports nutrition. It poses low health risks, with no significant concerns related to cancer, allergies, or developmental toxicity. Environmentally, it does not contribute significantly to pollution or bioaccumulation. Regulatory bodies, including the FDA, do not impose restrictions on its use. Overall, the ingredient is assessed as low risk, with no notable adverse health or environmental impacts, and no specific alternatives identified.
C20 22 Alkyl Phosphate
Low RiskC20-22 alkyl phosphate is a synthetic compound primarily used as a surfactant and emulsifier in cosmetic formulations. It helps to stabilize and improve the texture of products, facilitating the blending of oil and water-based ingredients.
Sustai Insights
C20-22 alkyl phosphate functions effectively as an emulsifier, enhancing product stability and texture. It is considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it does not significantly contribute to pollution or bioaccumulation. Regulatory assessments indicate no major restrictions. Overall, the ingredient is assessed as low risk, with no significant adverse effects noted, making it a viable option in cosmetic formulations.
Polysorbate 80
Low RiskPolysorbate 80 is a surfactant and emulsifier commonly used in food, cosmetics, and pharmaceuticals to stabilize formulations and enhance texture. It facilitates the mixing of oil and water-based components, ensuring a uniform product consistency.
Sustai Insights
Polysorbate 80 functions effectively as an emulsifier, promoting product stability and texture in various applications. While it poses low health risks, including minimal concerns for cancer, allergies, or reproductive toxicity, it may cause skin or eye irritation in sensitive individuals. Environmentally, it is not classified as a significant pollutant or bioaccumulative substance. Regulatory agencies have not imposed major restrictions on its use. Overall, the risk associated with Polysorbate 80 is low, making it a widely accepted ingredient in many formulations.
Pca
Low RiskPCA is a cyclic organic compound commonly used in cosmetic formulations for its moisturizing properties. It functions as a humectant, attracting water to the skin and helping to maintain hydration.
Sustai Insights
PCA serves as an effective humectant, enhancing skin hydration, which supports overall skin health. It is typically considered low risk regarding health impacts, with minimal concerns about carcinogenicity, allergenic potential, or reproductive toxicity. Environmentally, PCA poses low risks, as it is not associated with significant pollutants or bioaccumulation. Regulatory bodies do not impose major restrictions on its use. Safe usage practices are recommended to ensure efficacy, and while alternatives exist, PCA maintains a low overall risk profile.
Sodium Pca
Low RiskSodium PCA is a derivative of naturally occurring amino acids and is primarily used in cosmetics for its moisturizing properties. It acts as a humectant, attracting and retaining moisture in the skin, thereby enhancing hydration and improving skin texture.
Sustai Insights
Sodium PCA offers functional benefits as an effective humectant, enhancing skin moisture levels. It is derived from natural sources, supporting sustainable practices. Health risks are low, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it is not known to be bioaccumulative or a significant pollutant. Regulatory bodies have not placed significant restrictions on its use. Overall, it presents a low risk profile, making it a suitable ingredient in cosmetic formulations. Alternatives may include other humectants like glycerin or hyaluronic acid.
Arginine
Low RiskArginine is a naturally occurring amino acid that plays a critical role in various biological processes, including protein synthesis and the production of nitric oxide, which is important for vasodilation. It is commonly used in dietary supplements and functional foods.
Sustai Insights
Arginine offers functional benefits such as promoting blood flow and supporting muscle metabolism. It is not associated with significant health risks, as concerns regarding carcinogenicity, allergies, and reproductive toxicity are low. Environmentally, it presents minimal risks, being biodegradable and not classified as a pollutant. Regulatory bodies have not imposed specific restrictions on arginine. Overall, the risk level is low, indicating that arginine can be safely used in products, though safe usage practices should be followed.
Isohexadecane
Low RiskIsohexadecane is a branched chain hydrocarbon used in cosmetic formulations primarily as a solvent, emollient, and skin-conditioning agent. It enhances the spreadability of products and provides a lightweight, non-greasy feel on the skin.
Sustai Insights
Isohexadecane offers functional benefits by improving product texture and absorption while being non-irritating, with low concerns regarding cancer, allergies, and reproductive toxicity. Environmentally, it poses minimal risks, as it is not known to be a significant pollutant or bioaccumulative. Regulatory assessments indicate no current restrictions, supporting its safe use in cosmetics. Overall, isohexadecane presents a low risk, making it a suitable ingredient in personal care products.
C20 22 Alcohols
Low RiskC20-22 alcohols is a mixture of synthetic aliphatic alcohols, typically derived from petrochemical sources. It is primarily used as an emulsifier, thickening agent, and surfactant in various cosmetic and personal care products, contributing to texture and stability.
Sustai Insights
C20-22 alcohols serve as effective emulsifiers and thickeners, enhancing product stability. They are not associated with significant health risks such as carcinogenicity or allergies, and their environmental impact is low, with no evidence of bioaccumulation. Regulatory bodies do not impose restrictions on their use. Overall, the ingredient is assessed as low risk, making it a suitable choice in formulations.
Polysorbate 60
Low RiskPolysorbate 60 (Tween-60) is a sorbitol-based non-ionic surfactant commonly used as an emulsifier and stabilizer in various cosmetic and food products. It helps to blend oil and water, enhancing texture and consistency.
Sustai Insights
Polysorbate 60 offers functional benefits as an effective emulsifier, promoting product stability and texture. It is generally considered safe with low concerns regarding cancer, allergies, and reproductive toxicity. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential. Regulatory bodies have not issued severe warnings, indicating a low overall risk. Safe usage practices include adhering to recommended concentrations, with alternatives like glyceryl stearate available for those seeking more sustainable options.
Serine
Low RiskSerine is an amino acid that plays a crucial role in protein synthesis and is involved in various metabolic processes. It is commonly found in the body and is important for the production of neurotransmitters and other proteins.
Sustai Insights
Serine offers functional benefits as a building block for proteins and is involved in cellular functions. It has a low risk profile regarding health impacts, with minimal concerns about carcinogenicity, allergies, or reproductive toxicity. Environmentally, serine does not pose significant pollution or bioaccumulation risks. While regulatory bodies have not issued significant warnings, it is advisable to use serine within established safe concentrations. Overall, serine is assessed as low risk, making it a safe ingredient in products.
Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer
Low RiskHydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer is a cosmetic ingredient primarily used as a film-forming agent, thickener, and emulsifier in various personal care products. It functions to enhance product texture and stability, aiding in the application and overall user experience.
Sustai Insights
This ingredient serves functional benefits by providing thickening and emulsifying properties, contributing to product stability and texture. It is generally recognized as having low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses low risks, with no significant pollutant or bioaccumulation noted. Regulatory bodies have not imposed major restrictions, indicating its approval for cosmetic use. Overall, the ingredient can be considered low risk, with no significant adverse effects reported. Safe usage practices should still be maintained, and alternatives could include other acrylate copolymers for similar functions.
Phenylalanine
Low RiskPhenylalanine is an essential amino acid found in many protein-rich foods. It plays a crucial role in the production of proteins and neurotransmitters within the body. It is often included in dietary supplements and functional foods due to its importance in metabolic processes.
Sustai Insights
Phenylalanine serves as a building block for proteins and neurotransmitters, contributing positively to metabolic functions. It poses low health risks, including negligible potential for carcinogenicity, allergies, or reproductive toxicity. Environmental risks are minimal, and it is generally recognized as safe by regulatory bodies, with no significant restrictions on its use. Overall, the ingredient is assessed to have low risk, making it a stable choice in formulations.
Proline
Low RiskProline is an amino acid that can exist in three forms: D, L, or DL. It is commonly found in protein-rich foods and is used in various products for its role in protein synthesis and as a functional ingredient in formulations.
Sustai Insights
Proline serves as a building block for proteins and contributes to skin health by promoting collagen synthesis. It is considered low risk regarding health concerns, including cancer, allergies, and reproductive toxicity. Environmentally, it poses minimal risks, with no significant pollutant potential or bioaccumulation noted. Regulatory bodies have not imposed restrictions on its use, indicating a favorable safety profile. Safe usage practices are advised, and while alternatives exist, they may not match proline's specific functional benefits. Overall, proline is assessed as low risk.
Water
Low RiskWater is a clear, colorless liquid essential for various biological processes. It serves as a solvent in formulations, facilitating the dissolution of other ingredients and enhancing product texture and application. Additionally, water plays a crucial role in hydration and is a key component in many cosmetic and personal care products.
Sustai Insights
Water is an effective solvent and hydrator, contributing to the texture and efficacy of formulations. It is biodegradable and generally regarded as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. However, excessive water usage can lead to environmental concerns, particularly regarding resource depletion. Regulatory bodies do not impose restrictions on water use in cosmetics. Overall, the risks associated with water are low, making it a safe and essential ingredient.
Cocos Nucifera (Coconut) Oil
Low RiskCocos Nucifera (Coconut) Oil is derived from the kernels of the coconut palm. It is primarily used in cosmetic formulations for its emollient and moisturizing properties, making it suitable for skin and hair care products.
Sustai Insights
Coconut oil serves as an effective moisturizer and emollient, promoting skin hydration and softness. It is sustainably sourced and biodegradable. Health risks are minimal, with low concerns regarding carcinogenicity, allergens, and reproductive toxicity. Environmental impact is also low, as it does not contribute significantly to pollution or bioaccumulation. Regulatory bodies have not issued restrictions on its use. Overall, coconut oil presents a low risk for health and environmental concerns, making it a safe ingredient in cosmetic products.
Butyrospermum Parkii (Shea) Butter
Low RiskButyrospermum parkii (shea) butter is a vegetable fat derived from the nuts of the shea tree. It is commonly used in cosmetic formulations for its emollient properties, providing moisture and improving skin texture. Additionally, shea butter is known for its ability to enhance the stability of products and deliver a creamy texture.
Sustai Insights
Shea butter offers functional benefits as an effective moisturizer, enhancing skin barrier function and texture. It is sustainably sourced and biodegradable, contributing to eco-friendliness. Health-wise, it is associated with low risks for carcinogenicity, allergies, and reproductive toxicity. Environmental impacts are minimal, with no significant pollutant potential identified. Regulatory assessments indicate no current restrictions. Overall, the ingredient presents a low risk, making it a favorable choice in cosmetic formulations.
Cetrimonium Chloride
High RiskCetrimonium chloride is a quaternary ammonium compound commonly used in personal care products as a conditioning agent and emulsifier. It aids in improving the texture and manageability of hair and skin, serving as a surfactant that reduces surface tension.
Sustai Insights
Cetrimonium chloride provides functional benefits as an effective conditioning agent, enhancing product performance. However, it poses moderate health risks, including potential allergenic reactions and irritation, while being classified with high usage restrictions by regulatory authorities. Environmental concerns include its status as a pollutant with potential bioaccumulative effects. Overall, the ingredient presents a high risk level, necessitating cautious usage and consideration of safer alternatives.
Histidine
Low RiskHistidine is an amino acid that serves as a building block for proteins. It plays a crucial role in various biological processes, including the synthesis of histamine, a compound involved in immune responses, and acts as a precursor for other important biomolecules.
Sustai Insights
Histidine is beneficial for protein synthesis and may support immune function due to its role in histamine production. It poses low health risks, with no significant concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, histidine is not associated with pollution or bioaccumulation. Regulatory bodies impose minimal restrictions, indicating overall low risk. Safe usage is generally supported, with no significant alternatives noted. Thus, histidine can be considered a low-risk ingredient in formulations.
Aspartic Acid
Low RiskAspartic acid is an amino acid that plays a vital role in the biosynthesis of proteins. It is naturally occurring in many foods and is also used in various dietary supplements and food products for its role in metabolic processes.
Sustai Insights
Aspartic acid serves functional benefits, such as supporting protein synthesis and metabolic health. It is considered low-risk for health concerns, including cancer, allergies, and reproductive toxicity. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential. Regulatory bodies, including the FDA, have not imposed significant restrictions. Overall, the ingredient is assessed to pose low risk, with safe usage practices recommended. Alternatives may include other amino acids, but Aspartic acid is generally well-tolerated and utilized.
Prunus Amygdalus Dulcis (Sweet Almond) Oil
Low RiskPrunus amygdalus dulcis (sweet almond) oil is derived from the seeds of the almond tree. It is commonly used in cosmetic formulations for its moisturizing properties and as a carrier oil for other active ingredients. Its light texture allows for easy absorption into the skin.
Sustai Insights
Sweet almond oil provides functional benefits such as effective skin hydration and enhancement of skin absorption for other compounds. It is sustainably sourced and biodegradable. Health risks are low, with minimal concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental risks are also low, with no significant pollutant or bioaccumulation potential. Regulatory bodies currently do not impose restrictions on its use. Overall, the risk assessment indicates a low risk level, making it a safe choice in cosmetic applications.
Sodium Lactate
High RiskSodium lactate is a sodium salt of lactic acid, commonly used in cosmetic and personal care products. It serves as a humectant, helping to retain moisture in the skin, and is also utilized for its buffering and antimicrobial properties.
Sustai Insights
Sodium lactate is effective in moisture retention and exhibits antimicrobial properties, contributing positively to product stability. However, it has restrictions on use due to potential health concerns, including enhanced skin absorption. Regulatory bodies have noted these concerns, categorizing the risk as high. It poses low risks regarding carcinogenicity, allergies, and reproductive toxicity. Safe usage practices are recommended, and alternatives like glycerin may provide similar benefits with lower risk profiles.
Alanine
Low RiskAlanine is a non-essential amino acid that plays a vital role in protein synthesis and energy production. It is commonly found in various food products and supplements, contributing to muscle metabolism and the immune system. Alanine is integral in the body's nitrogen balance and can be synthesized from other amino acids.
Sustai Insights
Alanine serves as a functional building block in proteins and supports energy production, making it beneficial for muscle metabolism. It is generally recognized as safe, with low concerns regarding health risks such as carcinogenicity, allergenicity, and reproductive toxicity. Additionally, it has a minimal environmental footprint, presenting low pollutant potential. Regulatory bodies have not placed significant restrictions on its use. Overall, alanine is assessed as low risk, making it a suitable ingredient in food and supplements.
Glycine
Low RiskGlycine is a naturally occurring amino acid that plays a crucial role in the synthesis of proteins and is involved in various metabolic processes. It is often used in dietary supplements and food products for its potential health benefits, including promoting collagen synthesis and supporting nervous system function.
Sustai Insights
Glycine serves as a functional amino acid essential for protein synthesis, contributing to collagen formation and potentially benefiting muscle health. It is generally recognized as safe with low associated health risks, including negligible concerns for carcinogenicity, allergies, and reproductive toxicity. Glycine is not known to pose significant environmental risks, as it is not a pollutant or bioaccumulative. Regulatory bodies, including the FDA, have no major restrictions on its use in products. Overall, glycine is considered low risk, making it a viable ingredient in various formulations.
Valine
Low RiskValine is an essential amino acid that plays a critical role in protein synthesis, muscle metabolism, and energy production. It is one of the branched-chain amino acids (BCAAs) and is primarily found in protein-rich foods. Valine is important for maintaining nitrogen balance in the body.
Sustai Insights
Valine offers functional benefits such as supporting muscle recovery and energy production during exercise. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. There are minimal environmental risks associated with valine, and it is not known to bioaccumulate. Regulatory bodies have not placed significant restrictions on its use, resulting in an overall low-risk assessment. Safe usage practices include adhering to recommended dietary intake levels, with alternatives such as leucine and isoleucine also available for similar benefits.
Threonine
Low RiskThreonine is an amino acid essential for protein synthesis in the body. It plays a role in various metabolic processes and is important for the production of collagen, elastin, and antibodies, contributing to overall health.
Sustai Insights
Threonine serves as a building block for proteins, supporting various biological functions, and is generally recognized as safe with low concerns for carcinogenicity, allergies, or reproductive toxicity. It is not associated with significant environmental risks and is not known to be bioaccumulative. Regulatory bodies have not imposed strict restrictions on its use. Overall, threonine presents a low risk profile, making it a viable ingredient in dietary and cosmetic applications, with no notable safer alternatives identified.
Aminomethyl Propanol
High RiskAminomethyl propanol is a small molecular weight buffering agent commonly used in cosmetic formulations to help maintain pH levels. It serves as an emulsifier and can enhance product stability and performance in various personal care products.
Sustai Insights
Aminomethyl propanol offers functional benefits as a buffering agent and enhances the stability of formulations. However, it is associated with skin and eye irritation and is subject to high use restrictions. Regulatory agencies have noted its potential risks, leading to an overall high-risk assessment. Safe usage practices should be followed, and alternatives such as milder pH adjusters may be considered.
Isoleucine
Low RiskIsoleucine is an essential amino acid that plays a crucial role in protein synthesis and metabolic processes. It is one of the building blocks of proteins, contributing to muscle repair and growth, and is important for immune function and energy regulation.
Sustai Insights
Isoleucine is beneficial for muscle repair and growth, making it valuable in sports nutrition. It poses low health risks, with no significant concerns related to cancer, allergies, or developmental toxicity. Environmentally, it does not contribute significantly to pollution or bioaccumulation. Regulatory bodies, including the FDA, do not impose restrictions on its use. Overall, the ingredient is assessed as low risk, with no notable adverse health or environmental impacts, and no specific alternatives identified.
C20 22 Alkyl Phosphate
Low RiskC20-22 alkyl phosphate is a synthetic compound primarily used as a surfactant and emulsifier in cosmetic formulations. It helps to stabilize and improve the texture of products, facilitating the blending of oil and water-based ingredients.
Sustai Insights
C20-22 alkyl phosphate functions effectively as an emulsifier, enhancing product stability and texture. It is considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it does not significantly contribute to pollution or bioaccumulation. Regulatory assessments indicate no major restrictions. Overall, the ingredient is assessed as low risk, with no significant adverse effects noted, making it a viable option in cosmetic formulations.
Polysorbate 80
Low RiskPolysorbate 80 is a surfactant and emulsifier commonly used in food, cosmetics, and pharmaceuticals to stabilize formulations and enhance texture. It facilitates the mixing of oil and water-based components, ensuring a uniform product consistency.
Sustai Insights
Polysorbate 80 functions effectively as an emulsifier, promoting product stability and texture in various applications. While it poses low health risks, including minimal concerns for cancer, allergies, or reproductive toxicity, it may cause skin or eye irritation in sensitive individuals. Environmentally, it is not classified as a significant pollutant or bioaccumulative substance. Regulatory agencies have not imposed major restrictions on its use. Overall, the risk associated with Polysorbate 80 is low, making it a widely accepted ingredient in many formulations.
Pca
Low RiskPCA is a cyclic organic compound commonly used in cosmetic formulations for its moisturizing properties. It functions as a humectant, attracting water to the skin and helping to maintain hydration.
Sustai Insights
PCA serves as an effective humectant, enhancing skin hydration, which supports overall skin health. It is typically considered low risk regarding health impacts, with minimal concerns about carcinogenicity, allergenic potential, or reproductive toxicity. Environmentally, PCA poses low risks, as it is not associated with significant pollutants or bioaccumulation. Regulatory bodies do not impose major restrictions on its use. Safe usage practices are recommended to ensure efficacy, and while alternatives exist, PCA maintains a low overall risk profile.
Sodium Pca
Low RiskSodium PCA is a derivative of naturally occurring amino acids and is primarily used in cosmetics for its moisturizing properties. It acts as a humectant, attracting and retaining moisture in the skin, thereby enhancing hydration and improving skin texture.
Sustai Insights
Sodium PCA offers functional benefits as an effective humectant, enhancing skin moisture levels. It is derived from natural sources, supporting sustainable practices. Health risks are low, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it is not known to be bioaccumulative or a significant pollutant. Regulatory bodies have not placed significant restrictions on its use. Overall, it presents a low risk profile, making it a suitable ingredient in cosmetic formulations. Alternatives may include other humectants like glycerin or hyaluronic acid.
Arginine
Low RiskArginine is a naturally occurring amino acid that plays a critical role in various biological processes, including protein synthesis and the production of nitric oxide, which is important for vasodilation. It is commonly used in dietary supplements and functional foods.
Sustai Insights
Arginine offers functional benefits such as promoting blood flow and supporting muscle metabolism. It is not associated with significant health risks, as concerns regarding carcinogenicity, allergies, and reproductive toxicity are low. Environmentally, it presents minimal risks, being biodegradable and not classified as a pollutant. Regulatory bodies have not imposed specific restrictions on arginine. Overall, the risk level is low, indicating that arginine can be safely used in products, though safe usage practices should be followed.
Isohexadecane
Low RiskIsohexadecane is a branched chain hydrocarbon used in cosmetic formulations primarily as a solvent, emollient, and skin-conditioning agent. It enhances the spreadability of products and provides a lightweight, non-greasy feel on the skin.
Sustai Insights
Isohexadecane offers functional benefits by improving product texture and absorption while being non-irritating, with low concerns regarding cancer, allergies, and reproductive toxicity. Environmentally, it poses minimal risks, as it is not known to be a significant pollutant or bioaccumulative. Regulatory assessments indicate no current restrictions, supporting its safe use in cosmetics. Overall, isohexadecane presents a low risk, making it a suitable ingredient in personal care products.
C20 22 Alcohols
Low RiskC20-22 alcohols is a mixture of synthetic aliphatic alcohols, typically derived from petrochemical sources. It is primarily used as an emulsifier, thickening agent, and surfactant in various cosmetic and personal care products, contributing to texture and stability.
Sustai Insights
C20-22 alcohols serve as effective emulsifiers and thickeners, enhancing product stability. They are not associated with significant health risks such as carcinogenicity or allergies, and their environmental impact is low, with no evidence of bioaccumulation. Regulatory bodies do not impose restrictions on their use. Overall, the ingredient is assessed as low risk, making it a suitable choice in formulations.
Polysorbate 60
Low RiskPolysorbate 60 (Tween-60) is a sorbitol-based non-ionic surfactant commonly used as an emulsifier and stabilizer in various cosmetic and food products. It helps to blend oil and water, enhancing texture and consistency.
Sustai Insights
Polysorbate 60 offers functional benefits as an effective emulsifier, promoting product stability and texture. It is generally considered safe with low concerns regarding cancer, allergies, and reproductive toxicity. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential. Regulatory bodies have not issued severe warnings, indicating a low overall risk. Safe usage practices include adhering to recommended concentrations, with alternatives like glyceryl stearate available for those seeking more sustainable options.
Serine
Low RiskSerine is an amino acid that plays a crucial role in protein synthesis and is involved in various metabolic processes. It is commonly found in the body and is important for the production of neurotransmitters and other proteins.
Sustai Insights
Serine offers functional benefits as a building block for proteins and is involved in cellular functions. It has a low risk profile regarding health impacts, with minimal concerns about carcinogenicity, allergies, or reproductive toxicity. Environmentally, serine does not pose significant pollution or bioaccumulation risks. While regulatory bodies have not issued significant warnings, it is advisable to use serine within established safe concentrations. Overall, serine is assessed as low risk, making it a safe ingredient in products.
Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer
Low RiskHydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer is a cosmetic ingredient primarily used as a film-forming agent, thickener, and emulsifier in various personal care products. It functions to enhance product texture and stability, aiding in the application and overall user experience.
Sustai Insights
This ingredient serves functional benefits by providing thickening and emulsifying properties, contributing to product stability and texture. It is generally recognized as having low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses low risks, with no significant pollutant or bioaccumulation noted. Regulatory bodies have not imposed major restrictions, indicating its approval for cosmetic use. Overall, the ingredient can be considered low risk, with no significant adverse effects reported. Safe usage practices should still be maintained, and alternatives could include other acrylate copolymers for similar functions.
Phenylalanine
Low RiskPhenylalanine is an essential amino acid found in many protein-rich foods. It plays a crucial role in the production of proteins and neurotransmitters within the body. It is often included in dietary supplements and functional foods due to its importance in metabolic processes.
Sustai Insights
Phenylalanine serves as a building block for proteins and neurotransmitters, contributing positively to metabolic functions. It poses low health risks, including negligible potential for carcinogenicity, allergies, or reproductive toxicity. Environmental risks are minimal, and it is generally recognized as safe by regulatory bodies, with no significant restrictions on its use. Overall, the ingredient is assessed to have low risk, making it a stable choice in formulations.
Proline
Low RiskProline is an amino acid that can exist in three forms: D, L, or DL. It is commonly found in protein-rich foods and is used in various products for its role in protein synthesis and as a functional ingredient in formulations.
Sustai Insights
Proline serves as a building block for proteins and contributes to skin health by promoting collagen synthesis. It is considered low risk regarding health concerns, including cancer, allergies, and reproductive toxicity. Environmentally, it poses minimal risks, with no significant pollutant potential or bioaccumulation noted. Regulatory bodies have not imposed restrictions on its use, indicating a favorable safety profile. Safe usage practices are advised, and while alternatives exist, they may not match proline's specific functional benefits. Overall, proline is assessed as low risk.
Water
Low RiskWater is a clear, colorless liquid essential for various biological processes. It serves as a solvent in formulations, facilitating the dissolution of other ingredients and enhancing product texture and application. Additionally, water plays a crucial role in hydration and is a key component in many cosmetic and personal care products.
Sustai Insights
Water is an effective solvent and hydrator, contributing to the texture and efficacy of formulations. It is biodegradable and generally regarded as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. However, excessive water usage can lead to environmental concerns, particularly regarding resource depletion. Regulatory bodies do not impose restrictions on water use in cosmetics. Overall, the risks associated with water are low, making it a safe and essential ingredient.
Fragrance
High RiskFragrance refers to a mixture of aromatic compounds used in products to provide scent. It is commonly listed as 'fragrance' or 'parfum' on product labels and can serve various functions, including enhancing user experience and masking undesirable odors.
Sustai Insights
Fragrance offers functional benefits by improving product appeal; however, it poses significant health risks, notably a high likelihood of causing allergies and allergic contact dermatitis. Environmental risks include potential pollution and endocrine disruption, though its overall carcinogenicity is low. Regulatory bodies have noted concerns regarding its use, leading to a high-risk classification. Safe usage practices should be observed, and alternatives such as natural essential oils are recommended for those sensitive to synthetic fragrances.
Phenoxyethanol
Medium RiskPhenoxyethanol is a preservative used in cosmetics and personal care products to prevent microbial growth and extend shelf life. It is commonly found in formulations such as lotions, creams, and serums.
Sustai Insights
Phenoxyethanol serves effectively as a preservative, ensuring product stability and safety by inhibiting microbial growth. It is considered to have low health risks regarding carcinogenicity, allergies, and reproductive toxicity. However, moderate use restrictions exist, and regulatory bodies have advised caution in specific applications. Environmental concerns include its potential as a pollutant, although it is not highly bioaccumulative. Overall, the ingredient presents a medium risk level, with safe usage practices recommended and alternative preservatives available for those seeking greener options.
Tocopheryl Acetate
Medium RiskTocopheryl acetate is a chemical compound that serves primarily as a form of Vitamin E. It is used in cosmetic and personal care products for its antioxidant properties and to enhance skin stability and moisture.
Sustai Insights
Tocopheryl acetate is valued for its functional benefits, including acting as an antioxidant and skin conditioning agent. It is generally considered to have low carcinogenicity and reproductive toxicity risk, although it poses a moderate concern for allergies. Environmental risks are minimal, with no significant pollutant or bioaccumulation potential noted. Regulatory bodies have not imposed significant restrictions. Safe usage practices should be followed, particularly regarding enhanced skin absorption. Alternatives like natural Vitamin E may provide similar benefits with potentially lower allergenic properties. Overall, this ingredient presents a medium risk assessment.
Cocos Nucifera (Coconut) Oil
Low RiskCocos Nucifera (Coconut) Oil is derived from the kernels of the coconut palm. It is primarily used in cosmetic formulations for its emollient and moisturizing properties, making it suitable for skin and hair care products.
Sustai Insights
Coconut oil serves as an effective moisturizer and emollient, promoting skin hydration and softness. It is sustainably sourced and biodegradable. Health risks are minimal, with low concerns regarding carcinogenicity, allergens, and reproductive toxicity. Environmental impact is also low, as it does not contribute significantly to pollution or bioaccumulation. Regulatory bodies have not issued restrictions on its use. Overall, coconut oil presents a low risk for health and environmental concerns, making it a safe ingredient in cosmetic products.
Butyrospermum Parkii (Shea) Butter
Low RiskButyrospermum parkii (shea) butter is a vegetable fat derived from the nuts of the shea tree. It is commonly used in cosmetic formulations for its emollient properties, providing moisture and improving skin texture. Additionally, shea butter is known for its ability to enhance the stability of products and deliver a creamy texture.
Sustai Insights
Shea butter offers functional benefits as an effective moisturizer, enhancing skin barrier function and texture. It is sustainably sourced and biodegradable, contributing to eco-friendliness. Health-wise, it is associated with low risks for carcinogenicity, allergies, and reproductive toxicity. Environmental impacts are minimal, with no significant pollutant potential identified. Regulatory assessments indicate no current restrictions. Overall, the ingredient presents a low risk, making it a favorable choice in cosmetic formulations.
Unlock the secret to vibrant, manageable curls with Kristin Ess Hair Ultra Hydrating Curl Leave-In Cream Conditioner. This vegan, color-safe formula not only hydrates but also controls frizz while providing a humidity shield, making it perfect for all curly hair types.
- Frizz Control & Hydration: This leave-in cream combats dryness and frizz, leaving curls soft and defined.
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- Detangling Power: Effortlessly detangles hair while minimizing split ends, promoting healthier-looking curls with every use.
- Versatile Use: Ideal for daily styling—apply to clean, damp hair and style as desired for luscious, frizz-free curls.
- Ethically Formulated: This conditioner is vegan and color + keratin safe, reflecting a commitment to sustainability and healthy hair care without compromise.
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Unlock the secret to vibrant, manageable curls with Kristin Ess Hair Ultra Hydrating Curl Leave-In Cream Conditioner. This vegan, color-safe formula not only hydrates but also controls frizz while providing a humidity shield, making it perfect for all curly hair types.
- Frizz Control & Hydration: This leave-in cream combats dryness and frizz, leaving curls soft and defined.
- Humidity Shield: Protects your hair from moisture in the air, ensuring your curls stay intact and beautiful, no matter the weather.
- Detangling Power: Effortlessly detangles hair while minimizing split ends, promoting healthier-looking curls with every use.
- Versatile Use: Ideal for daily styling—apply to clean, damp hair and style as desired for luscious, frizz-free curls.
- Ethically Formulated: This conditioner is vegan and color + keratin safe, reflecting a commitment to sustainability and healthy hair care without compromise.

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Customer Reviews

Customers’ View
Customers appreciate the effectiveness of Kristin Ess Leave-In Hair Conditioner in managing frizz and adding hydration to various hair types. Many users report that it detangles hair effortlessly and provides a soft, polished finish without a greasy residue. For instance, one customer highlighted, 'This leave-in conditioner does well at taming frizz' and mentioned enjoying a natural shine. The pleasant fragrance is also frequently praised, with users noting it leaves their hair smelling good. While some found it less effective on certain hair types, the overall sentiment remains positive, emphasizing that it helps maintain smooth and manageable locks. Overall, consumers find value in this product, appreciating its multifunctional benefits aligned with their health-conscious and eco-friendly choices.
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