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

HEART HYDROLYSATE

Safety grade: A

Heart hydrolysate is a protein extract derived from animal heart tissue that has been broken down into smaller components. It's used in hair care products to help condition and strengthen hair.

This ingredient conditions and moisturizes hair by coating the hair shaft and helping to lock in moisture, leaving hair softer and more manageable.

Graded using: COSING.

Last verified: May 26, 2026