Kerstin Florian Face Serum - Boost Collagen, Firm & Tone Skin, Paraben Free - 1 fl oz

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Paraben-Free

Paraben-Free

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1K+ searched

Products formulated without parabens, synthetic preservatives linked to potential health risks. Offers safer alternatives for skincare, cosmetics, and personal care.

Paraben-Free

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1K+searched

Products formulated without parabens, synthetic preservatives linked to potential health risks. Offers safer alternatives for skincare, cosmetics, and personal care.

Natural Ingredients

Natural Ingredients

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40K+ searched

Highlights products formulated with raw materials derived from natural sources, avoiding synthetic chemicals and promoting eco-friendly, healthier alternatives.

Natural Ingredients

Glass

40K+searched

Highlights products formulated with raw materials derived from natural sources, avoiding synthetic chemicals and promoting eco-friendly, healthier alternatives.

Sodium Hydroxide

Sodium Hydroxide

High Risk

Sodium hydroxide is a highly caustic and reactive inorganic compound commonly used as a pH adjuster in various products. It is effective in neutralizing acids and plays a role in the production of soaps and detergents.

Sustai Insights

Sodium hydroxide serves essential functions, particularly in adjusting pH levels, but poses significant health risks, including skin and eye irritation. It is subject to high usage restrictions due to its corrosive nature. Environmental concerns include its potential to pollute water sources and contribute to ecosystem damage. Regulatory bodies have imposed strict guidelines on its use, indicating a high-risk profile for products containing this ingredient. Safe handling practices are crucial, and alternatives include milder pH adjusters, emphasizing the need for caution in its application.

Methylisothiazolinone

Methylisothiazolinone

High Risk

Methylisothiazolinone is a widely-used preservative in cosmetic and personal care products, known for its antimicrobial properties. It helps prevent the growth of bacteria and fungi, extending the shelf life of formulations. It is often used in leave-on and rinse-off products, including lotions and shampoos.

Sustai Insights

Methylisothiazolinone serves as an effective preservative, combating microbial growth in various personal care items. However, it is associated with a high risk of allergic reactions and skin sensitization, especially in individuals exposed repeatedly. Regulatory bodies have imposed use restrictions due to these health concerns. Additionally, while it is not considered a carcinogen, its environmental impact includes potential pollutant characteristics. Overall, the risk associated with methylisothiazolinone is high, prompting caution and consideration of safer alternatives.

Citrus Grandis (Grapefruit) Peel Extract

Citrus Grandis (Grapefruit) Peel Extract

High Risk

Citrus grandis (grapefruit) peel extract is derived from the peel of grapefruit and is commonly used in cosmetic formulations for its antioxidant properties and potential skin benefits. It is incorporated for its fragrance and may provide a natural source of vitamin C.

Sustai Insights

Citrus grandis (grapefruit) peel extract offers functional benefits such as antioxidant properties and potential skin conditioning. However, it is associated with a high allergenic potential and moderate persistence and bioaccumulation. Regulatory bodies may impose restrictions on its use, classifying it with a high risk due to health concerns. Safe usage practices should be followed, and alternatives like safer botanical extracts may be considered.

Decamethylcyclopentasiloxane

Decamethylcyclopentasiloxane

Medium Risk

Decamethylcyclopentasiloxane is a silicon-based cyclic compound commonly used in cosmetic formulations for its smoothing and conditioning properties. It acts as a lightweight emollient, providing a silky feel to products and enhancing spreadability without leaving a greasy residue.

Sustai Insights

Decamethylcyclopentasiloxane offers functional benefits as an emollient and skin conditioning agent. However, it poses moderate concerns regarding endocrine disruption and environmental persistence. Health risks are low for carcinogenicity and allergies, but potential developmental toxicity exists. Regulatory bodies have not placed significant restrictions on its use. Overall, the risk level is assessed as medium, and users should consider safer alternatives if concerned about environmental impact.

Sodium Benzoate

Sodium Benzoate

Medium Risk

Sodium benzoate is a preservative commonly used in food and cosmetic products to prevent microbial growth and extend shelf life. It is derived from benzoic acid and is effective at low concentrations, often used in acidic environments like beverages and condiments.

Sustai Insights

Sodium benzoate serves effectively as a preservative, contributing to product stability and safety. It is generally recognized as safe with low concerns for carcinogenicity, allergies, and reproductive toxicity, though it faces moderate use restrictions in some regions. Environmental risks include its potential as a pollutant, but it does not bioaccumulate significantly. Regulatory bodies have issued advisories regarding its concentration in products. Overall, the risk level is assessed as medium, with safe usage practices recommended. Alternatives such as potassium sorbate may provide similar benefits with potentially lower restrictions.

Chlorphenesin

Chlorphenesin

Medium Risk

Chlorphenesin is a synthetic preservative commonly used in cosmetics and personal care products to prevent microbial growth and extend shelf life.

Sustai Insights

Chlorphenesin serves effectively as a preservative, contributing to product stability. While it poses low to moderate health risks, such as potential irritation and moderate use restrictions, it is not considered a carcinogen. Environmentally, concerns include persistence and bioaccumulation, with regulatory warnings from agencies like Environment Canada and ECHA. Overall, chlorphenesin is assessed as medium risk, highlighting the need for cautious usage and consideration of safer substitutes.

Citrus Aurantium Amara (Bitter Orange) Peel Oil

Citrus Aurantium Amara (Bitter Orange) Peel Oil

Medium Risk

Citrus aurantium amara (bitter orange) peel oil is an essential oil extracted from the peels of the bitter orange fruit. It is often used for its aromatic properties and as a natural flavoring agent in various products, including cosmetics and food items.

Sustai Insights

Bitter orange peel oil offers functional benefits as a natural fragrance and may possess antimicrobial properties. However, it has a high allergenic potential, posing risks such as skin irritation and allergic reactions. Its environmental impact includes moderate persistence and potential for bioaccumulation. Regulatory restrictions exist for certain uses, leading to a medium risk assessment overall. Safe usage practices should be followed, and alternatives include other essential oils with lower allergenic profiles.

Dimethicone

Dimethicone

Medium Risk

Dimethicone, also known as polymethylsiloxane, is a silicone-based polymer commonly used in personal care products for its smooth application and skin conditioning properties. It acts primarily as an emollient, providing a silky feel while forming a protective barrier on the skin.

Sustai Insights

Dimethicone provides functional benefits as an effective emollient and skin protectant, contributing to product stability and sensory attributes. It is considered low risk for carcinogenicity, allergies, and reproductive toxicity, but has moderate usage restrictions due to environmental persistence and bioaccumulation concerns. Regulatory bodies have issued advisories regarding its use in certain formulations. Overall, its risk level is assessed as medium, and users are advised to follow recommended usage practices. Alternatives like natural oils or butters may offer sustainable options.

Potassium Sorbate

Potassium Sorbate

Medium Risk

Potassium sorbate is a potassium salt of sorbic acid, primarily used as a preservative in food and cosmetic products. It inhibits the growth of molds, yeast, and some bacteria, extending the shelf life of products. It is commonly found in various formulations due to its effectiveness and low toxicity.

Sustai Insights

Potassium sorbate serves as an effective preservative, preventing microbial growth in food and cosmetic products, which is vital for safety and longevity. Although it has a low risk of carcinogenicity and developmental toxicity, there is a moderate concern regarding allergies and immunotoxicity. Environmentally, it poses minimal risks as it is not significantly bioaccumulative. Regulatory agencies have verified its use, although some products may face restrictions. Overall, it is assessed as a medium risk ingredient, with safe usage practices recommended, and alternatives such as natural preservatives could be considered.

Chlorella Vulgaris (Dermochlorella Algae) Extract

Chlorella Vulgaris (Dermochlorella Algae) Extract

Medium Risk

Chlorella vulgaris extract is derived from the green microalga Chlorella vulgaris. It is commonly used in cosmetic formulations for its potential antioxidant properties and as a source of nutrients. The extract is known for its green pigment, chlorophyll, and its role in enhancing skin hydration and overall appearance in beauty products.

Sustai Insights

Chlorella vulgaris extract offers functional benefits such as antioxidant properties and skin nourishment, potentially enhancing product efficacy. However, concerns include contamination risks, though health risks are generally low across categories like carcinogenicity and allergies. Regulatory restrictions exist, necessitating careful sourcing to mitigate contamination. Given these factors, the overall risk level is assessed as medium, and users should consider alternatives or ensure high-quality sourcing.

Algin

Algin

Medium Risk

Algin is a sodium salt of alginic acid, derived from brown seaweed. It is commonly used as a thickening agent, emulsifier, and stabilizer in various food and cosmetic products. Its ability to form gels and retain moisture makes it valuable in formulations requiring texture and consistency.

Sustai Insights

Algin provides functional benefits such as thickening and stabilizing properties in formulations and is derived from renewable marine sources, contributing to its sustainability credentials. While health risks are low regarding carcinogenicity, allergies, and reproductive toxicity, there are concerns about contamination. Environmental risks include potential pollutants and bioaccumulation. Regulatory bodies have not issued significant warnings, indicating a moderate risk level overall. Safe usage practices should be observed, and alternatives like other plant-derived thickeners may be considered for those seeking varied sourcing.

Carbomer

Carbomer

Low Risk

Carbomer is a large polymeric chemical compound primarily used as a thickening agent in various cosmetic and personal care products. It enhances the texture and stability of formulations, making it effective in creams, gels, and lotions.

Sustai Insights

Carbomer serves as an effective thickening agent, improving product texture and stability. It is considered low-risk concerning health concerns such as carcinogenicity, allergenicity, and reproductive toxicity. While irritation may occur with skin or eye contact, the overall health and environmental risks are minimal. Regulatory bodies have not placed significant restrictions on carbomer, supporting its safety for use in formulations. Safe usage practices should be followed to minimize irritation potential. Alternatives like xanthan gum or guar gum may provide similar benefits with a natural profile. Overall, the ingredient is assessed as low risk.

Disodium Edta

Disodium Edta

Low Risk

Disodium EDTA (ethylenediaminetetraacetic acid) is a chelating agent commonly used in cosmetics and personal care products to bind metal ions and enhance product stability. It helps prevent the deterioration of formulations by minimizing the effects of trace metals, thus improving the overall efficacy and shelf life of the product.

Sustai Insights

Disodium EDTA serves as an effective stabilizer and preservative in various formulations, aiding in the prevention of product degradation. It is considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it is not classified as a significant pollutant or bioaccumulative substance. Regulatory bodies, including the FDA, have noted its safe use in specified concentrations. Overall, the ingredient is assessed to have a low risk profile, with no major health or environmental concerns, making it a reliable choice for product formulation.

Squalane Oil

Squalane Oil

Low Risk

Squalane oil is a lightweight, colorless oil derived from olive or sugarcane that is commonly used in cosmetic formulations. It functions primarily as a moisturizer and emollient, enhancing skin hydration while imparting a silky texture to products. Squalane is also known for its stability and resistance to oxidation, making it a favored ingredient in skincare.

Sustai Insights

Squalane oil is recognized for its effective moisturizing properties and is sustainably sourced, often derived from olives or sugarcane, contributing to its eco-friendly profile. Health risks are minimal, with low concerns for carcinogenicity, allergies, or reproductive toxicity. Environmental impact is also low, as it is not known to bioaccumulate or pollute. Regulatory bodies have not placed restrictions on its use. Overall, the ingredient poses a low risk, making it a safe option in cosmetic products. Alternatives such as jojoba oil or other plant-based emulsifiers may offer similar benefits.

Xanthan Gum

Xanthan Gum

Low Risk

Xanthan gum is a polysaccharide, a sugar-based compound produced by the fermentation of glucose or sucrose. It is commonly used as a thickening agent and stabilizer in various food and cosmetic products due to its ability to improve texture and prevent ingredient separation.

Sustai Insights

Xanthan gum serves effectively as a thickener and stabilizer, enhancing product texture and consistency. It is biodegradable and typically derived from renewable sources, supporting sustainability efforts. Health risks are minimal, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental impact is similarly low, posing no significant hazards. Regulatory agencies, including the FDA, regard it as safe for use, with no significant restrictions. Overall, xanthan gum is assessed as low risk, making it a suitable ingredient in formulations.

Dimethiconol

Dimethiconol

Low Risk

Dimethiconol is a silicon-based polymer commonly used in cosmetic formulations. It functions primarily as a conditioning agent, providing a smooth texture and enhancing the feel of products on the skin and hair. It also serves as a lubricant and can improve the spreadability of formulations.

Sustai Insights

Dimethiconol offers functional benefits such as improving product texture and performance without significant health risks, as it is associated with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental impacts are minimal, with no evidence of bioaccumulation or significant pollution potential. Regulatory status is favorable, with no major restrictions reported. Overall, it is considered low risk for health and environmental concerns. For those seeking alternatives, plant-derived silicones may provide similar benefits with enhanced sustainability credentials.

Sea Water

Sea Water

Low Risk

Sea water is water obtained from the ocean, containing a variety of dissolved salts and minerals. It serves as a natural source of hydration and is often used in cosmetic products for its mineral content and potential skin benefits.

Sustai Insights

Sea water offers functional benefits such as hydration and mineral nourishment for the skin, contributing to product efficacy. It is sustainably sourced and typically biodegradable. Health risks are low, with minimal concerns regarding carcinogenicity, irritants, or immunotoxicity. Environmental risks are also low, as it poses no significant pollutant or bioaccumulation threats. Regulatory assessments indicate no current restrictions. Overall, this ingredient presents a low risk for consumer health and safety.

Pentylene Glycol

Pentylene Glycol

Low Risk

Pentylene glycol is a synthetic, low molecular weight glycol that functions primarily as a humectant, solvent, and skin-conditioning agent in cosmetic formulations. It is commonly used to enhance product texture and moisture retention.

Sustai Insights

Pentylene glycol offers functional benefits as a humectant, effectively attracting moisture to the skin. It is generally considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or developmental toxicity. However, it may cause mild skin, eye, or lung irritation in sensitive individuals. Environmentally, it poses low risk as it is not bioaccumulative or a significant pollutant. Regulatory bodies have not imposed restrictions on its use. Overall, it presents a low risk profile, making it a safe choice in cosmetic formulations, with no significant adverse effects reported.

Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer

Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer

Low Risk

Hydroxyethyl 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.

Isosteareth 20

Isosteareth 20

Low Risk

Isosteareth-20 is a polyethylene glycol ether used primarily as an emulsifier and surfactant in various personal care and cosmetic products. It helps to mix oil and water-based ingredients, stabilizing formulations and enhancing texture.

Sustai Insights

Isosteareth-20 offers functional benefits as an effective emulsifier, aiding in product stability and texture. It has low health risks, showing minimal concerns regarding carcinogenicity, allergy, and reproductive toxicity. Environmental assessments indicate low pollutant potential, with no significant bioaccumulation. Regulatory status is generally acceptable, though some restrictions apply. Usage should follow standard practices for safety. Overall, this ingredient poses a low risk, making it a viable choice in formulations.

Divinyldimethicone

Divinyldimethicone

Low Risk

Divinyldimethicone is a silicone compound used primarily as a conditioning agent and emollient in cosmetic and personal care products. It enhances the texture and feel of formulations, providing smoothness and a non-greasy finish. Its unique properties make it suitable for various applications, including skin and hair care.

Sustai Insights

Divinyldimethicone offers functional benefits, such as improving product smoothness and enhancing moisture retention. It has a low risk of health concerns, including low potential for carcinogenicity, allergies, and reproductive toxicity. Environmental risks are minimal, although contamination concerns exist. Regulatory status is generally favorable, with no significant restrictions noted. Overall risk assessment is low, making it a viable ingredient in personal care formulations. Safe usage practices should be followed, although alternatives may include other silicone-based compounds that provide similar benefits.

Tetrahexyldecyl Ascorbate

Tetrahexyldecyl Ascorbate

Low Risk

Tetrahexyldecyl ascorbate is an ester of hexyl ascorbic acid, a stable form of vitamin C, commonly used in cosmetic formulations for its antioxidant properties. It is employed to improve skin appearance, enhance radiance, and provide photoprotection.

Sustai Insights

Tetrahexyldecyl ascorbate offers functional benefits as an antioxidant, promoting skin health and appearance. It is generally regarded as safe, with low concerns for carcinogenicity, allergies, and irritation. Although it poses minimal environmental risks, regulatory bodies have outlined specific usage guidelines. Overall, its risk level is assessed as low, making it a viable option in cosmetic formulations.

Water

Water

Low Risk

Water 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.

Caprylyl Glycol

Caprylyl Glycol

Low Risk

Caprylyl glycol (1,2-octanediol) is a multifunctional cosmetic ingredient primarily used as a skin-conditioning agent and preservative. It is derived from caprylic acid, a fatty acid found in coconut oil, and is commonly included in personal care products for its moisturizing properties.

Sustai Insights

Caprylyl glycol offers functional benefits such as acting as an effective humectant and preservative, enhancing skin hydration and product stability. It is considered to have low health risks, with no significant concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks, being non-bioaccumulative and not linked to pollution. Regulatory assessments affirm its safety, with no major advisories against its use. Overall, the ingredient is assessed to have a low risk, making it a suitable choice in cosmetic formulations.

Methylsilanol Hydroxyproline Aspartate

Methylsilanol Hydroxyproline Aspartate

Low Risk

Methylsilanol hydroxyproline aspartate is a silicone-derived compound commonly used in cosmetic formulations for its conditioning and moisturizing properties. It serves to enhance skin hydration and improve the texture of hair products, contributing to overall product efficacy.

Sustai Insights

Methylsilanol hydroxyproline aspartate offers functional benefits such as effective skin conditioning and moisture retention. It is not associated with significant health risks, including low concerns for carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks and is not classified as a pollutant. Regulatory status is clear, with no current restrictions. Overall, the ingredient is considered low risk. Safe usage practices should be maintained, and alternatives may include other silicone compounds that offer similar properties.

2-hexanediol Silsesquioxane crosspolymer Peg-40 stearate

Decamethylcyclopentasiloxane

Medium Risk

Decamethylcyclopentasiloxane is a silicon-based cyclic compound commonly used in cosmetic formulations for its smoothing and conditioning properties. It acts as a lightweight emollient, providing a silky feel to products and enhancing spreadability without leaving a greasy residue.

Sustai Insights

Decamethylcyclopentasiloxane offers functional benefits as an emollient and skin conditioning agent. However, it poses moderate concerns regarding endocrine disruption and environmental persistence. Health risks are low for carcinogenicity and allergies, but potential developmental toxicity exists. Regulatory bodies have not placed significant restrictions on its use. Overall, the risk level is assessed as medium, and users should consider safer alternatives if concerned about environmental impact.

Carbomer

Low Risk

Carbomer is a large polymeric chemical compound primarily used as a thickening agent in various cosmetic and personal care products. It enhances the texture and stability of formulations, making it effective in creams, gels, and lotions.

Sustai Insights

Carbomer serves as an effective thickening agent, improving product texture and stability. It is considered low-risk concerning health concerns such as carcinogenicity, allergenicity, and reproductive toxicity. While irritation may occur with skin or eye contact, the overall health and environmental risks are minimal. Regulatory bodies have not placed significant restrictions on carbomer, supporting its safety for use in formulations. Safe usage practices should be followed to minimize irritation potential. Alternatives like xanthan gum or guar gum may provide similar benefits with a natural profile. Overall, the ingredient is assessed as low risk.

Disodium Edta

Low Risk

Disodium EDTA (ethylenediaminetetraacetic acid) is a chelating agent commonly used in cosmetics and personal care products to bind metal ions and enhance product stability. It helps prevent the deterioration of formulations by minimizing the effects of trace metals, thus improving the overall efficacy and shelf life of the product.

Sustai Insights

Disodium EDTA serves as an effective stabilizer and preservative in various formulations, aiding in the prevention of product degradation. It is considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it is not classified as a significant pollutant or bioaccumulative substance. Regulatory bodies, including the FDA, have noted its safe use in specified concentrations. Overall, the ingredient is assessed to have a low risk profile, with no major health or environmental concerns, making it a reliable choice for product formulation.

Sodium Benzoate

Medium Risk

Sodium benzoate is a preservative commonly used in food and cosmetic products to prevent microbial growth and extend shelf life. It is derived from benzoic acid and is effective at low concentrations, often used in acidic environments like beverages and condiments.

Sustai Insights

Sodium benzoate serves effectively as a preservative, contributing to product stability and safety. It is generally recognized as safe with low concerns for carcinogenicity, allergies, and reproductive toxicity, though it faces moderate use restrictions in some regions. Environmental risks include its potential as a pollutant, but it does not bioaccumulate significantly. Regulatory bodies have issued advisories regarding its concentration in products. Overall, the risk level is assessed as medium, with safe usage practices recommended. Alternatives such as potassium sorbate may provide similar benefits with potentially lower restrictions.

Squalane Oil

Low Risk

Squalane oil is a lightweight, colorless oil derived from olive or sugarcane that is commonly used in cosmetic formulations. It functions primarily as a moisturizer and emollient, enhancing skin hydration while imparting a silky texture to products. Squalane is also known for its stability and resistance to oxidation, making it a favored ingredient in skincare.

Sustai Insights

Squalane oil is recognized for its effective moisturizing properties and is sustainably sourced, often derived from olives or sugarcane, contributing to its eco-friendly profile. Health risks are minimal, with low concerns for carcinogenicity, allergies, or reproductive toxicity. Environmental impact is also low, as it is not known to bioaccumulate or pollute. Regulatory bodies have not placed restrictions on its use. Overall, the ingredient poses a low risk, making it a safe option in cosmetic products. Alternatives such as jojoba oil or other plant-based emulsifiers may offer similar benefits.

Chlorphenesin

Medium Risk

Chlorphenesin is a synthetic preservative commonly used in cosmetics and personal care products to prevent microbial growth and extend shelf life.

Sustai Insights

Chlorphenesin serves effectively as a preservative, contributing to product stability. While it poses low to moderate health risks, such as potential irritation and moderate use restrictions, it is not considered a carcinogen. Environmentally, concerns include persistence and bioaccumulation, with regulatory warnings from agencies like Environment Canada and ECHA. Overall, chlorphenesin is assessed as medium risk, highlighting the need for cautious usage and consideration of safer substitutes.

Xanthan Gum

Low Risk

Xanthan gum is a polysaccharide, a sugar-based compound produced by the fermentation of glucose or sucrose. It is commonly used as a thickening agent and stabilizer in various food and cosmetic products due to its ability to improve texture and prevent ingredient separation.

Sustai Insights

Xanthan gum serves effectively as a thickener and stabilizer, enhancing product texture and consistency. It is biodegradable and typically derived from renewable sources, supporting sustainability efforts. Health risks are minimal, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental impact is similarly low, posing no significant hazards. Regulatory agencies, including the FDA, regard it as safe for use, with no significant restrictions. Overall, xanthan gum is assessed as low risk, making it a suitable ingredient in formulations.

Dimethiconol

Low Risk

Dimethiconol is a silicon-based polymer commonly used in cosmetic formulations. It functions primarily as a conditioning agent, providing a smooth texture and enhancing the feel of products on the skin and hair. It also serves as a lubricant and can improve the spreadability of formulations.

Sustai Insights

Dimethiconol offers functional benefits such as improving product texture and performance without significant health risks, as it is associated with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. Environmental impacts are minimal, with no evidence of bioaccumulation or significant pollution potential. Regulatory status is favorable, with no major restrictions reported. Overall, it is considered low risk for health and environmental concerns. For those seeking alternatives, plant-derived silicones may provide similar benefits with enhanced sustainability credentials.

Sodium Hydroxide

High Risk

Sodium hydroxide is a highly caustic and reactive inorganic compound commonly used as a pH adjuster in various products. It is effective in neutralizing acids and plays a role in the production of soaps and detergents.

Sustai Insights

Sodium hydroxide serves essential functions, particularly in adjusting pH levels, but poses significant health risks, including skin and eye irritation. It is subject to high usage restrictions due to its corrosive nature. Environmental concerns include its potential to pollute water sources and contribute to ecosystem damage. Regulatory bodies have imposed strict guidelines on its use, indicating a high-risk profile for products containing this ingredient. Safe handling practices are crucial, and alternatives include milder pH adjusters, emphasizing the need for caution in its application.

Sea Water

Low Risk

Sea water is water obtained from the ocean, containing a variety of dissolved salts and minerals. It serves as a natural source of hydration and is often used in cosmetic products for its mineral content and potential skin benefits.

Sustai Insights

Sea water offers functional benefits such as hydration and mineral nourishment for the skin, contributing to product efficacy. It is sustainably sourced and typically biodegradable. Health risks are low, with minimal concerns regarding carcinogenicity, irritants, or immunotoxicity. Environmental risks are also low, as it poses no significant pollutant or bioaccumulation threats. Regulatory assessments indicate no current restrictions. Overall, this ingredient presents a low risk for consumer health and safety.

Citrus Aurantium Amara (Bitter Orange) Peel Oil

Medium Risk

Citrus aurantium amara (bitter orange) peel oil is an essential oil extracted from the peels of the bitter orange fruit. It is often used for its aromatic properties and as a natural flavoring agent in various products, including cosmetics and food items.

Sustai Insights

Bitter orange peel oil offers functional benefits as a natural fragrance and may possess antimicrobial properties. However, it has a high allergenic potential, posing risks such as skin irritation and allergic reactions. Its environmental impact includes moderate persistence and potential for bioaccumulation. Regulatory restrictions exist for certain uses, leading to a medium risk assessment overall. Safe usage practices should be followed, and alternatives include other essential oils with lower allergenic profiles.

Pentylene Glycol

Low Risk

Pentylene glycol is a synthetic, low molecular weight glycol that functions primarily as a humectant, solvent, and skin-conditioning agent in cosmetic formulations. It is commonly used to enhance product texture and moisture retention.

Sustai Insights

Pentylene glycol offers functional benefits as a humectant, effectively attracting moisture to the skin. It is generally considered to have low health risks, with minimal concerns regarding carcinogenicity, allergies, or developmental toxicity. However, it may cause mild skin, eye, or lung irritation in sensitive individuals. Environmentally, it poses low risk as it is not bioaccumulative or a significant pollutant. Regulatory bodies have not imposed restrictions on its use. Overall, it presents a low risk profile, making it a safe choice in cosmetic formulations, with no significant adverse effects reported.

Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer

Low Risk

Hydroxyethyl 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.

Methylisothiazolinone

High Risk

Methylisothiazolinone is a widely-used preservative in cosmetic and personal care products, known for its antimicrobial properties. It helps prevent the growth of bacteria and fungi, extending the shelf life of formulations. It is often used in leave-on and rinse-off products, including lotions and shampoos.

Sustai Insights

Methylisothiazolinone serves as an effective preservative, combating microbial growth in various personal care items. However, it is associated with a high risk of allergic reactions and skin sensitization, especially in individuals exposed repeatedly. Regulatory bodies have imposed use restrictions due to these health concerns. Additionally, while it is not considered a carcinogen, its environmental impact includes potential pollutant characteristics. Overall, the risk associated with methylisothiazolinone is high, prompting caution and consideration of safer alternatives.

Citrus Grandis (Grapefruit) Peel Extract

High Risk

Citrus grandis (grapefruit) peel extract is derived from the peel of grapefruit and is commonly used in cosmetic formulations for its antioxidant properties and potential skin benefits. It is incorporated for its fragrance and may provide a natural source of vitamin C.

Sustai Insights

Citrus grandis (grapefruit) peel extract offers functional benefits such as antioxidant properties and potential skin conditioning. However, it is associated with a high allergenic potential and moderate persistence and bioaccumulation. Regulatory bodies may impose restrictions on its use, classifying it with a high risk due to health concerns. Safe usage practices should be followed, and alternatives like safer botanical extracts may be considered.

Isosteareth 20

Low Risk

Isosteareth-20 is a polyethylene glycol ether used primarily as an emulsifier and surfactant in various personal care and cosmetic products. It helps to mix oil and water-based ingredients, stabilizing formulations and enhancing texture.

Sustai Insights

Isosteareth-20 offers functional benefits as an effective emulsifier, aiding in product stability and texture. It has low health risks, showing minimal concerns regarding carcinogenicity, allergy, and reproductive toxicity. Environmental assessments indicate low pollutant potential, with no significant bioaccumulation. Regulatory status is generally acceptable, though some restrictions apply. Usage should follow standard practices for safety. Overall, this ingredient poses a low risk, making it a viable choice in formulations.

Divinyldimethicone

Low Risk

Divinyldimethicone is a silicone compound used primarily as a conditioning agent and emollient in cosmetic and personal care products. It enhances the texture and feel of formulations, providing smoothness and a non-greasy finish. Its unique properties make it suitable for various applications, including skin and hair care.

Sustai Insights

Divinyldimethicone offers functional benefits, such as improving product smoothness and enhancing moisture retention. It has a low risk of health concerns, including low potential for carcinogenicity, allergies, and reproductive toxicity. Environmental risks are minimal, although contamination concerns exist. Regulatory status is generally favorable, with no significant restrictions noted. Overall risk assessment is low, making it a viable ingredient in personal care formulations. Safe usage practices should be followed, although alternatives may include other silicone-based compounds that provide similar benefits.

Tetrahexyldecyl Ascorbate

Low Risk

Tetrahexyldecyl ascorbate is an ester of hexyl ascorbic acid, a stable form of vitamin C, commonly used in cosmetic formulations for its antioxidant properties. It is employed to improve skin appearance, enhance radiance, and provide photoprotection.

Sustai Insights

Tetrahexyldecyl ascorbate offers functional benefits as an antioxidant, promoting skin health and appearance. It is generally regarded as safe, with low concerns for carcinogenicity, allergies, and irritation. Although it poses minimal environmental risks, regulatory bodies have outlined specific usage guidelines. Overall, its risk level is assessed as low, making it a viable option in cosmetic formulations.

Water

Low Risk

Water 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.

Dimethicone

Medium Risk

Dimethicone, also known as polymethylsiloxane, is a silicone-based polymer commonly used in personal care products for its smooth application and skin conditioning properties. It acts primarily as an emollient, providing a silky feel while forming a protective barrier on the skin.

Sustai Insights

Dimethicone provides functional benefits as an effective emollient and skin protectant, contributing to product stability and sensory attributes. It is considered low risk for carcinogenicity, allergies, and reproductive toxicity, but has moderate usage restrictions due to environmental persistence and bioaccumulation concerns. Regulatory bodies have issued advisories regarding its use in certain formulations. Overall, its risk level is assessed as medium, and users are advised to follow recommended usage practices. Alternatives like natural oils or butters may offer sustainable options.

Caprylyl Glycol

Low Risk

Caprylyl glycol (1,2-octanediol) is a multifunctional cosmetic ingredient primarily used as a skin-conditioning agent and preservative. It is derived from caprylic acid, a fatty acid found in coconut oil, and is commonly included in personal care products for its moisturizing properties.

Sustai Insights

Caprylyl glycol offers functional benefits such as acting as an effective humectant and preservative, enhancing skin hydration and product stability. It is considered to have low health risks, with no significant concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks, being non-bioaccumulative and not linked to pollution. Regulatory assessments affirm its safety, with no major advisories against its use. Overall, the ingredient is assessed to have a low risk, making it a suitable choice in cosmetic formulations.

Potassium Sorbate

Medium Risk

Potassium sorbate is a potassium salt of sorbic acid, primarily used as a preservative in food and cosmetic products. It inhibits the growth of molds, yeast, and some bacteria, extending the shelf life of products. It is commonly found in various formulations due to its effectiveness and low toxicity.

Sustai Insights

Potassium sorbate serves as an effective preservative, preventing microbial growth in food and cosmetic products, which is vital for safety and longevity. Although it has a low risk of carcinogenicity and developmental toxicity, there is a moderate concern regarding allergies and immunotoxicity. Environmentally, it poses minimal risks as it is not significantly bioaccumulative. Regulatory agencies have verified its use, although some products may face restrictions. Overall, it is assessed as a medium risk ingredient, with safe usage practices recommended, and alternatives such as natural preservatives could be considered.

Chlorella Vulgaris (Dermochlorella Algae) Extract

Medium Risk

Chlorella vulgaris extract is derived from the green microalga Chlorella vulgaris. It is commonly used in cosmetic formulations for its potential antioxidant properties and as a source of nutrients. The extract is known for its green pigment, chlorophyll, and its role in enhancing skin hydration and overall appearance in beauty products.

Sustai Insights

Chlorella vulgaris extract offers functional benefits such as antioxidant properties and skin nourishment, potentially enhancing product efficacy. However, concerns include contamination risks, though health risks are generally low across categories like carcinogenicity and allergies. Regulatory restrictions exist, necessitating careful sourcing to mitigate contamination. Given these factors, the overall risk level is assessed as medium, and users should consider alternatives or ensure high-quality sourcing.

Algin

Medium Risk

Algin is a sodium salt of alginic acid, derived from brown seaweed. It is commonly used as a thickening agent, emulsifier, and stabilizer in various food and cosmetic products. Its ability to form gels and retain moisture makes it valuable in formulations requiring texture and consistency.

Sustai Insights

Algin provides functional benefits such as thickening and stabilizing properties in formulations and is derived from renewable marine sources, contributing to its sustainability credentials. While health risks are low regarding carcinogenicity, allergies, and reproductive toxicity, there are concerns about contamination. Environmental risks include potential pollutants and bioaccumulation. Regulatory bodies have not issued significant warnings, indicating a moderate risk level overall. Safe usage practices should be observed, and alternatives like other plant-derived thickeners may be considered for those seeking varied sourcing.

Methylsilanol Hydroxyproline Aspartate

Low Risk

Methylsilanol hydroxyproline aspartate is a silicone-derived compound commonly used in cosmetic formulations for its conditioning and moisturizing properties. It serves to enhance skin hydration and improve the texture of hair products, contributing to overall product efficacy.

Sustai Insights

Methylsilanol hydroxyproline aspartate offers functional benefits such as effective skin conditioning and moisture retention. It is not associated with significant health risks, including low concerns for carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks and is not classified as a pollutant. Regulatory status is clear, with no current restrictions. Overall, the ingredient is considered low risk. Safe usage practices should be maintained, and alternatives may include other silicone compounds that offer similar properties.

Discover the transformative power of Kerstin Florian Serum C Infusion, a vitamin C facial serum designed to combat fine lines while boosting collagen production. This lightweight, paraben-free formula combines regenerative amino acids and natural extracts to firm and tone your skin, making it an ideal addition to any skincare routine.

  • Anti-Aging Power: This serum enhances skin firmness and minimizes imperfections, delivering a youthful glow.
  • Daily Brightening: 50x more potent than standard Vitamin C, it promotes collagen production by up to 50% and significantly reduces melanin formation for an even skin tone.
  • Natural Ingredients: Enriched with soothing algae extract and bitter orange oil, it hydrates while restoring elasticity and firmness to your complexion.
  • Easy to Use: Simply apply daily to cleansed skin, follow with a moisturizer, and always use sunscreen to protect your skin from UV damage.
  • Eco-Conscious Beauty: Embrace a skincare routine that merges clean science with botanical luxury, supporting both your skin and the environment.

  1. Cleanse Your Face: Start with a gentle cleanser to remove dirt and impurities from your skin.
  2. Apply Serum: Dispense a few drops of the Vitamin C serum onto your fingertips.
  3. Gently Massage: Using upward circular motions, apply the serum evenly across your face and neck.
  4. Allow Absorption: Let the serum absorb fully into your skin for a few minutes before applying other products.
  5. Follow with Moisturizer: After the serum has absorbed, apply your favorite moisturizer to lock in hydration.
  6. Use Daily: For best results, incorporate the serum into your morning and evening skincare routine.
  7. Apply Sunscreen: In the morning, follow up with a broad-spectrum sunscreen to protect your skin from UV damage.
  8. Optional Sustainability Tip: Recycle the serum packaging where facilities exist to minimize environmental impact.
Buy on Amazon $102.90

Recommended Products

Discover the transformative power of Kerstin Florian Serum C Infusion, a vitamin C facial serum designed to combat fine lines while boosting collagen production. This lightweight, paraben-free formula combines regenerative amino acids and natural extracts to firm and tone your skin, making it an ideal addition to any skincare routine.

  • Anti-Aging Power: This serum enhances skin firmness and minimizes imperfections, delivering a youthful glow.
  • Daily Brightening: 50x more potent than standard Vitamin C, it promotes collagen production by up to 50% and significantly reduces melanin formation for an even skin tone.
  • Natural Ingredients: Enriched with soothing algae extract and bitter orange oil, it hydrates while restoring elasticity and firmness to your complexion.
  • Easy to Use: Simply apply daily to cleansed skin, follow with a moisturizer, and always use sunscreen to protect your skin from UV damage.
  • Eco-Conscious Beauty: Embrace a skincare routine that merges clean science with botanical luxury, supporting both your skin and the environment.

  1. Cleanse Your Face: Start with a gentle cleanser to remove dirt and impurities from your skin.
  2. Apply Serum: Dispense a few drops of the Vitamin C serum onto your fingertips.
  3. Gently Massage: Using upward circular motions, apply the serum evenly across your face and neck.
  4. Allow Absorption: Let the serum absorb fully into your skin for a few minutes before applying other products.
  5. Follow with Moisturizer: After the serum has absorbed, apply your favorite moisturizer to lock in hydration.
  6. Use Daily: For best results, incorporate the serum into your morning and evening skincare routine.
  7. Apply Sunscreen: In the morning, follow up with a broad-spectrum sunscreen to protect your skin from UV damage.
  8. Optional Sustainability Tip: Recycle the serum packaging where facilities exist to minimize environmental impact.

Customer Reviews

Star
4.3(67)

Customers’ View

Customers appreciate the effectiveness of Kerstin Florian's Vitamin C Face Serum in revitalizing their skin. Many users report noticeable improvements in skin texture and brightness, with one customer stating it has made them look 10-15 years younger. The serum's lightweight formula and natural ingredients, including algae extract and bitter orange oil, resonate well with health-conscious consumers seeking gentle yet effective skincare solutions. While some users have experienced irritation, the majority find it to be a reliable addition to their daily routine, contributing to a youthful glow and enhanced firmness. Overall, customers view this serum as a valuable product that aligns with their desire for effective, natural skincare.

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