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

DIPALMITOYL CYSTINE

Safety grade: A

This is a conditioning agent derived from cystine, an amino acid that naturally occurs in hair and skin. It's created by combining cystine with palmitic acid to make it more stable and effective in hair care products.

This ingredient reduces static electricity in hair and improves smoothness and manageability by coating the hair surface with a protective conditioning layer.

Graded using: COSING.

Last verified: May 26, 2026