OLIGOPEPTIDE-198 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-198

Safety grade: A

This is a small protein fragment designed to help skin look firmer and more youthful by supporting its natural structure. It works by signaling skin cells to boost collagen and elastin production, which can reduce the appearance of fine lines and improve overall skin texture and elasticity.

Graded using: COSING.

Last verified: June 9, 2026