STEARDIMONIUM HYDROXYPROPYLTRIMONIUM CHLORIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

STEARDIMONIUM HYDROXYPROPYLTRIMONIUM CHLORIDE

Safety grade: A

This is a conditioning agent derived from stearic acid (a fatty substance) that helps reduce static electricity and smooth hair. It's commonly used in hair care products to make hair feel softer and more manageable.

This ingredient conditions and detangles hair, reduces frizz and static electricity, and helps hair products spread evenly while improving their texture and appearance.

Graded using: COSING.

Last verified: May 26, 2026