HEPTAPEPTIDE-41 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HEPTAPEPTIDE-41

Safety grade: A

This is a lab-created protein fragment made of seven amino acids linked together. It's designed to work with your skin's natural processes to help improve firmness and reduce the appearance of fine lines. It's commonly found in anti-aging serums and moisturizers.

Graded using: COSING.

Last verified: June 9, 2026