PENTAPEPTIDE-90 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-90
Safety grade: A
A lab-created protein fragment that works to help firm and smooth your 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 over time.
Graded using: COSING.
Last verified: June 9, 2026