R-(OLIGOPEPTIDE-133 SH-OLIGOPEPTIDE-1) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

R-(OLIGOPEPTIDE-133 SH-OLIGOPEPTIDE-1)

Safety grade: A

A blend of plant-derived peptides that work together to help strengthen and support skin's natural structure. These tiny protein fragments are designed to improve skin firmness and elasticity, making it a common choice in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026