HEPTAPEPTIDE-39 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HEPTAPEPTIDE-39

Safety grade: A

A lab-made protein fragment designed to help improve skin's appearance by working with your skin's natural processes. This ingredient is commonly used in anti-aging and skin-firming products to help reduce the look of fine lines and support skin elasticity.

Graded using: COSING.

Last verified: June 9, 2026