PENTAPEPTIDE-67 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-67

Safety grade: A

This is a lab-created protein fragment made of five amino acids linked together. When used in skincare products, it's designed to help firm and smooth the skin by stimulating collagen production and improving skin elasticity. It's commonly found in anti-aging serums and moisturizers.

Graded using: COSING.

Last verified: June 9, 2026