OLIGOPEPTIDE-137 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
OLIGOPEPTIDE-137
Safety grade: A
A lab-created protein fragment designed to work with your skin's natural processes, this ingredient helps support skin firmness and elasticity. It's commonly used in anti-aging and lifting creams to help improve skin texture and reduce the appearance of fine lines.
Graded using: COSING.
Last verified: June 9, 2026