OLIGOPEPTIDE-141 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-141

Safety grade: A

This is a small protein fragment designed to help strengthen and firm skin by supporting its natural structure. It works by signaling skin cells to boost collagen and elastin production, which can improve skin texture and reduce the appearance of fine lines over time.

Graded using: COSING.

Last verified: June 9, 2026