HEXAPEPTIDE-91 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HEXAPEPTIDE-91

Safety grade: A

This lab-created peptide works to help reduce the appearance of fine lines and wrinkles by supporting your skin's natural firmness and elasticity. It's designed to smooth skin texture and promote a more youthful-looking complexion when used regularly in skincare products.

Graded using: COSING.

Last verified: June 9, 2026