Keratin
Primary Function
Stabilizer
Health Score
8/10
Eco Score
6/10
Also Known As
hydrolyzed keratin
About Keratin
A structural protein naturally found in hair and nails. Applied topically to repair damaged hair, increase strength, and add shine.
Formulation Role & Skin Benefits
Keratin is selected for formulations requiring protecting delicate active ingredients from degrading due to light, air, or heat, delivering ensuring your product works as effectively on the last day as the first.
Best suited for all skin types, essential for high-performance and antioxidant formulas. Typical formulation context: antioxidant serums, vitamin C formulas, retinol creams, and emulsions.
Keratin Category Hub
Explore other ingredients classified under Stabilizer:
Browse all Stabilizer Ingredients →Complete Keratin Guide
Free Tool
Try Ingredient Scanner →
Scan Full Product Ingredients
Check any skincare or cosmetic product containing Keratin with our instant ingredient safety analyzer.