HEPTAPEPTIDE-21 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HEPTAPEPTIDE-21

Safety grade: A

This lab-made peptide works to help firm and smooth the skin by supporting its natural structure. It's designed to reduce the appearance of fine lines and wrinkles, making skin look more lifted and youthful. You'll typically find it in anti-aging serums and creams.

Graded using: COSING.

Last verified: June 9, 2026