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

HYDROLYZED CASEIN

Safety grade: A

Hydrolyzed casein is a protein derived from milk that has been broken down into smaller pieces so it can be easily absorbed by hair and skin. It comes from milk protein and is designed to penetrate and nourish.

This ingredient conditions and softens hair and skin, reduces frizz and static electricity, and helps products feel smoother and more manageable.

Graded using: COSING.

Last verified: May 26, 2026