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

STEARDIMONIUM HYDROXYPROPYL HYDROLYZED CASEIN

Safety grade: A

This ingredient is a hair and skin conditioning agent derived from casein, a protein found in milk. It's chemically modified to help reduce static electricity and improve the texture and softness of hair and skin.

This ingredient conditions and softens hair and skin while reducing static electricity and frizz, making hair smoother and more manageable.

Graded using: COSING.

Last verified: May 26, 2026