KERATIN is graded B (Low Concern) by Expert·ING, based on COSING, FDA regulatory data. It is restricted under Health Canada (Restricted).
KERATIN
Safety grade: B
Keratin is a tough, protective protein that naturally exists in your hair, skin, and nails. In cosmetic products, it's used to help repair and strengthen damaged hair and improve skin texture.
Keratin coats and fills in damaged areas of hair and skin, helping to smooth the surface, reduce frizz, add shine, and improve overall strength and elasticity.
Graded using: COSING, FDA.
- Health Canada — Restricted
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A