OLIGOPEPTIDE-189 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-189

Safety grade: A

This is a small protein fragment made through lab processes that helps strengthen and firm skin by supporting its natural structure. It's used in anti-aging skincare products to improve skin texture and elasticity over time with regular use.

Graded using: COSING.

Last verified: June 9, 2026