BARLEY HEXAPEPTIDE-40 SH-POLYPEPTIDE-13 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BARLEY HEXAPEPTIDE-40 SH-POLYPEPTIDE-13

Safety grade: A

Derived from barley, this protein-based ingredient helps strengthen and condition hair and skin by improving texture and smoothness. It works by coating and protecting the outer layer of hair strands, reducing frizz and adding shine while also helping skin retain moisture.

Graded using: COSING.

Last verified: June 9, 2026