OLIGOPEPTIDE-167 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
OLIGOPEPTIDE-167
Safety grade: A
A small protein fragment designed to help skin feel firmer and smoother by supporting its natural structure. This ingredient works to improve skin elasticity and reduce the appearance of fine lines, making it a popular choice in anti-aging skincare products.
Graded using: COSING.
Last verified: June 9, 2026