PENTAPEPTIDE-49 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-49
Safety grade: A
A lab-created protein fragment that works to help firm and strengthen skin by promoting collagen production and improving elasticity. It's designed to reduce the appearance of fine lines and wrinkles, making skin look smoother and more youthful over time with regular use.
Graded using: COSING.
Last verified: June 9, 2026