k18 keratin treatment
Complete ingredient analysis for k18 keratin treatment. Get detailed safety ratings, benefits, and concerns for every ingredient.
Full INCI (as provided by producer)
Overall Analysis
The K18 Keratin Treatment formula is centered around a patented peptide that repairs hair by reconnecting keratin chains, supported by moisturizing and conditioning agents. The formula is minimalistic but includes several alcohols and fragrance allergens that may cause dryness or irritation in sensitive scalps or skin. Overall, it is safe for most users but caution is advised for those with sensitivities.
Beneficial Ingredients (5)
Concerning Ingredients (7)
Detailed Ingredient Analysis
Water is the primary solvent in cosmetic formulations, providing a medium for dissolving and delivering active ingredients.
Denatured alcohol acts as a solvent and helps open the hair cuticle to allow deeper penetration of active ingredients like the K18 peptide.
Propylene glycol is a common humectant that attracts moisture to hair and skin, improving hydration and product feel.
Cetearyl alcohol is a fatty alcohol that acts as an emollient and emulsifier, providing smoothness and stability to the formula.
Dicaprylyl ether is a lightweight emollient that enhances the sensory feel and spreadability of hair products.
Cetyl esters provide emollient properties that help condition hair and improve product texture.
Behentrimonium chloride is a conditioning agent that reduces static and smooths hair, enhancing manageability.
Polysorbate 20 is a mild emulsifier that helps blend ingredients and stabilize the product.
This patented peptide mimics natural keratin building blocks, repairing damaged hair by reconnecting broken polypeptide chains deep within the hair shaft.
Hydrolyzed wheat protein penetrates hair to improve moisture retention and strengthen the hair shaft.
Hydrolyzed wheat starch helps control product viscosity and provides a light conditioning effect.
Isopropyl alcohol acts as a solvent and helps the product dry quickly, but may cause dryness or irritation in sensitive users.
Tocopherol (Vitamin E) is an antioxidant that protects hair and the product from oxidative stress while conditioning hair.
Phenoxyethanol is a widely used preservative that prevents microbial contamination but may cause irritation in sensitive skin.
Potassium sorbate is a mild preservative effective against molds and yeasts, enhancing product safety.
Citric acid adjusts the pH of the formula to maintain stability and hair cuticle health.
Fragrance provides a pleasant scent but can cause irritation or allergic reactions in sensitive users.
Geraniol is a fragrance ingredient that can cause allergic reactions in sensitive individuals.
Linalool is a common fragrance component that may cause irritation or allergies in sensitive skin.
Hexyl cinnamal is a fragrance ingredient that can trigger allergic reactions in some individuals.
Benzyl alcohol acts as a preservative and solvent but may cause irritation or sensitization in sensitive users.
Want to analyze another product?
Use our INCI checker to get detailed ingredient analysis for any skincare product.
Need a complete skincare routine?
Try the Routine Creator →
MySkinRoutine ⎜ Skincare Routine Creator ⎜ INCI Checker
© 2025 - MySkinRoutine. All Rights Reserved