ISOSTEAROYL HYDROLYZED KERATIN is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ISOSTEAROYL HYDROLYZED KERATIN

Safety grade: A

This is a conditioned form of keratin, a natural protein found in hair and skin, that's been broken down and modified to penetrate hair and skin more easily. It helps strengthen, smooth, and add shine to hair while improving skin's texture and elasticity in cosmetic products.

Graded using: COSING.

Last verified: June 9, 2026