
Eight Saints Face Serum - 10% Niacinamide, Hydration & Anti-Aging Benefits - 1oz


Zinc Pca
High RiskZinc PCA is a zinc salt of pyrrolidone carboxylic acid (PCA), commonly used in personal care products for its role in sebum regulation and skin hydration. It functions as a humectant, helping to retain moisture in the skin, and is often included in formulations aimed at oily or acne-prone skin.
Sustai Insights
Zinc PCA offers functional benefits such as moisture retention and oil control, making it useful in skincare for oily skin types. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. However, there are high use restrictions, and it raises environmental concerns regarding persistence and bioaccumulation. Regulatory bodies indicate caution in usage due to potential environmental impacts. Overall, while it has beneficial properties, the ingredient carries a high risk level due to its restrictions and environmental implications.
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.
Tetrasodium Glutamate Diacetate
Low RiskTetrasodium glutamate diacetate is a sodium salt of glutamic acid, primarily functioning as a chelating agent in various cosmetic and personal care products. It helps stabilize formulations by binding metal ions, thereby enhancing product efficacy and shelf life.
Sustai Insights
Tetrasodium glutamate diacetate is recognized for its functional benefits in stabilizing formulations and preventing metal ion interference. It poses low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental impacts are also low, with no significant pollutant or bioaccumulation concerns noted. Regulatory bodies do not impose severe restrictions on its use. Overall, it is considered a low-risk ingredient. Safe usage practices should be followed, and alternatives such as other chelating agents may be explored for specific formulations.
Hyaluronic Acid
Low RiskHyaluronic acid is a natural polysaccharide found in connective tissues, skin, and cartilage, primarily serving as a moisture-retaining agent in cosmetic products. Its primary function is to provide hydration and improve skin elasticity, making it a common ingredient in moisturizers and serums.
Sustai Insights
Hyaluronic acid offers significant functional benefits, such as effective hydration and skin plumping, while being biodegradable and generally recognized as safe by regulatory bodies. Health risks are minimal, with low concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it is not considered a pollutant or bioaccumulative. Regulatory bodies have not issued major advisories against its use, resulting in an overall low-risk assessment. For safe usage, it is recommended to apply in appropriate concentrations. Alternatives include glycerin or aloe vera, which also provide hydration.
Sodium Acetylhyaluronate
Low RiskSodium acetylhyaluronate is a sodium salt derivative of hyaluronic acid, commonly used in cosmetic formulations for its hydrating properties. It functions primarily as a humectant, attracting moisture to the skin and helping to maintain hydration levels in various personal care products.
Sustai Insights
Sodium acetylhyaluronate is recognized for its effective moisture-retaining properties, enhancing skin hydration and improving product texture. It has low health risks, with negligible concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks and is not associated with significant pollution or bioaccumulation. Regulatory assessments indicate no current restrictions. Overall, it is considered low risk, making it a favorable ingredient in cosmetic formulations.
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.
Niacinamide
Low RiskNiacinamide, also known as nicotinamide, is a form of vitamin B3 (niacin) that serves various functions in skincare and cosmetic products. It is often used for its potential benefits in improving skin texture, enhancing moisture retention, and supporting the skin's barrier function.
Sustai Insights
Niacinamide provides functional benefits such as enhancing skin hydration and improving the appearance of uneven skin tone. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, or reproductive toxicity. However, enhanced skin absorption may pose risks for sensitive individuals. Regulatory bodies impose few restrictions on its use, and it is considered low risk overall. For safer alternatives, options like panthenol may be considered. Overall, niacinamide is a low-risk ingredient when used appropriately.
Vegetarian Glycerin
Low RiskVegetarian glycerin, also known as glycerol, is a colorless, odorless, and viscous liquid derived from plant sources. It is primarily used as a humectant, solvent, and emollient in various personal care products, helping to retain moisture and improve texture.
Sustai Insights
Vegetarian glycerin offers functional benefits as an effective humectant, promoting hydration and skin smoothness. It is biodegradable and typically sustainably sourced. Health risks associated with glycerin are low, with no significant concerns for carcinogenicity, allergens, or reproductive toxicity. Environmental risks are minimal, and it is not subject to major regulatory warnings. Overall, the risk level for this ingredient is low, making it a safe choice in formulations. Safe usage practices include ensuring proper concentrations in products, and alternatives such as propylene glycol exist but may have differing properties.
Xanthan Gum
Low RiskXanthan 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.
Aloe Barbadensis (Aloe Vera) Leaf Extract
Low RiskAloe vera leaf extract is produced from the succulent leaves of the Aloe barbadensis plant. It is commonly used in cosmetic formulations for its moisturizing and soothing properties, making it a popular ingredient in skincare and personal care products.
Sustai Insights
Aloe vera leaf extract offers several functional benefits, including hydration and skin soothing effects, which are well-supported by scientific literature. It is considered to have a low risk for common health concerns such as carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks, with no significant pollutant potential or bioaccumulation reported. Regulatory bodies have not imposed major restrictions, although verified products should not contain certain contaminants. Overall, this ingredient is assessed as low risk, with safe usage practices and the availability of alternative soothing agents if desired.
Zinc Pca
High RiskZinc PCA is a zinc salt of pyrrolidone carboxylic acid (PCA), commonly used in personal care products for its role in sebum regulation and skin hydration. It functions as a humectant, helping to retain moisture in the skin, and is often included in formulations aimed at oily or acne-prone skin.
Sustai Insights
Zinc PCA offers functional benefits such as moisture retention and oil control, making it useful in skincare for oily skin types. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, and reproductive toxicity. However, there are high use restrictions, and it raises environmental concerns regarding persistence and bioaccumulation. Regulatory bodies indicate caution in usage due to potential environmental impacts. Overall, while it has beneficial properties, the ingredient carries a high risk level due to its restrictions and environmental implications.
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.
Tetrasodium Glutamate Diacetate
Low RiskTetrasodium glutamate diacetate is a sodium salt of glutamic acid, primarily functioning as a chelating agent in various cosmetic and personal care products. It helps stabilize formulations by binding metal ions, thereby enhancing product efficacy and shelf life.
Sustai Insights
Tetrasodium glutamate diacetate is recognized for its functional benefits in stabilizing formulations and preventing metal ion interference. It poses low health risks, with minimal concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental impacts are also low, with no significant pollutant or bioaccumulation concerns noted. Regulatory bodies do not impose severe restrictions on its use. Overall, it is considered a low-risk ingredient. Safe usage practices should be followed, and alternatives such as other chelating agents may be explored for specific formulations.
Hyaluronic Acid
Low RiskHyaluronic acid is a natural polysaccharide found in connective tissues, skin, and cartilage, primarily serving as a moisture-retaining agent in cosmetic products. Its primary function is to provide hydration and improve skin elasticity, making it a common ingredient in moisturizers and serums.
Sustai Insights
Hyaluronic acid offers significant functional benefits, such as effective hydration and skin plumping, while being biodegradable and generally recognized as safe by regulatory bodies. Health risks are minimal, with low concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmental risks are also low, as it is not considered a pollutant or bioaccumulative. Regulatory bodies have not issued major advisories against its use, resulting in an overall low-risk assessment. For safe usage, it is recommended to apply in appropriate concentrations. Alternatives include glycerin or aloe vera, which also provide hydration.
Sodium Acetylhyaluronate
Low RiskSodium acetylhyaluronate is a sodium salt derivative of hyaluronic acid, commonly used in cosmetic formulations for its hydrating properties. It functions primarily as a humectant, attracting moisture to the skin and helping to maintain hydration levels in various personal care products.
Sustai Insights
Sodium acetylhyaluronate is recognized for its effective moisture-retaining properties, enhancing skin hydration and improving product texture. It has low health risks, with negligible concerns regarding carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks and is not associated with significant pollution or bioaccumulation. Regulatory assessments indicate no current restrictions. Overall, it is considered low risk, making it a favorable ingredient in cosmetic formulations.
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.
Niacinamide
Low RiskNiacinamide, also known as nicotinamide, is a form of vitamin B3 (niacin) that serves various functions in skincare and cosmetic products. It is often used for its potential benefits in improving skin texture, enhancing moisture retention, and supporting the skin's barrier function.
Sustai Insights
Niacinamide provides functional benefits such as enhancing skin hydration and improving the appearance of uneven skin tone. It is generally recognized as safe, with low concerns regarding carcinogenicity, allergies, or reproductive toxicity. However, enhanced skin absorption may pose risks for sensitive individuals. Regulatory bodies impose few restrictions on its use, and it is considered low risk overall. For safer alternatives, options like panthenol may be considered. Overall, niacinamide is a low-risk ingredient when used appropriately.
Vegetarian Glycerin
Low RiskVegetarian glycerin, also known as glycerol, is a colorless, odorless, and viscous liquid derived from plant sources. It is primarily used as a humectant, solvent, and emollient in various personal care products, helping to retain moisture and improve texture.
Sustai Insights
Vegetarian glycerin offers functional benefits as an effective humectant, promoting hydration and skin smoothness. It is biodegradable and typically sustainably sourced. Health risks associated with glycerin are low, with no significant concerns for carcinogenicity, allergens, or reproductive toxicity. Environmental risks are minimal, and it is not subject to major regulatory warnings. Overall, the risk level for this ingredient is low, making it a safe choice in formulations. Safe usage practices include ensuring proper concentrations in products, and alternatives such as propylene glycol exist but may have differing properties.
Xanthan Gum
Low RiskXanthan 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.
Aloe Barbadensis (Aloe Vera) Leaf Extract
Low RiskAloe vera leaf extract is produced from the succulent leaves of the Aloe barbadensis plant. It is commonly used in cosmetic formulations for its moisturizing and soothing properties, making it a popular ingredient in skincare and personal care products.
Sustai Insights
Aloe vera leaf extract offers several functional benefits, including hydration and skin soothing effects, which are well-supported by scientific literature. It is considered to have a low risk for common health concerns such as carcinogenicity, allergies, or reproductive toxicity. Environmentally, it poses minimal risks, with no significant pollutant potential or bioaccumulation reported. Regulatory bodies have not imposed major restrictions, although verified products should not contain certain contaminants. Overall, this ingredient is assessed as low risk, with safe usage practices and the availability of alternative soothing agents if desired.
Experience youthful, radiant skin with the Eight Saints Original Cin 10% Niacinamide Serum. This natural and organic facial serum reduces fine lines, dark spots, and large pores while keeping your skin hydrated and healthy. Perfect for all skin types, it combines niacinamide and hyaluronic acid to promote a smoother complexion.
- Hydration and Anti-Aging: This serum deeply hydrates while minimizing fine lines and wrinkles for a youthful glow.
- Reduces Redness and Enlarged Pores: The calming properties of niacinamide help alleviate redness and visibly reduce pore size.
- Natural Ingredients: Formulated with organic aloe vera, this cruelty-free serum is free from fragrance and harsh chemicals, making it safe for daily use.
- Versatile Application: Ideal for both morning and evening routines, it easily fits into any skincare regimen, working well under makeup.
- Worry-Free Purchase: Enjoy a risk-free experience with a 30-day return policy, ensuring satisfaction with every purchase.
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Experience youthful, radiant skin with the Eight Saints Original Cin 10% Niacinamide Serum. This natural and organic facial serum reduces fine lines, dark spots, and large pores while keeping your skin hydrated and healthy. Perfect for all skin types, it combines niacinamide and hyaluronic acid to promote a smoother complexion.
- Hydration and Anti-Aging: This serum deeply hydrates while minimizing fine lines and wrinkles for a youthful glow.
- Reduces Redness and Enlarged Pores: The calming properties of niacinamide help alleviate redness and visibly reduce pore size.
- Natural Ingredients: Formulated with organic aloe vera, this cruelty-free serum is free from fragrance and harsh chemicals, making it safe for daily use.
- Versatile Application: Ideal for both morning and evening routines, it easily fits into any skincare regimen, working well under makeup.
- Worry-Free Purchase: Enjoy a risk-free experience with a 30-day return policy, ensuring satisfaction with every purchase.

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Customer Reviews
Customers’ View
Customers generally express satisfaction with the effectiveness of the Eight Saints Niacinamide Serum, noting significant improvements in skin brightness, hydration, and texture. Many users appreciate how the serum enhances their complexion, making it appear more even-toned and radiant. They highlight its lightweight and non-greasy formula, which absorbs quickly without leaving any residue. This serum's clean, cruelty-free ingredients resonate well with environmentally conscious users, who value its natural composition. Overall, customers find this product to be a reliable addition to their skincare routine, aligned with their health-conscious values.
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