OLIGO-(SH-POLYPEPTIDE-47) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGO-(SH-POLYPEPTIDE-47)

Safety grade: A

A protein-based ingredient derived from natural sources that works to strengthen and protect your skin's outer layer. It helps improve skin texture and firmness by supporting the skin's natural structural support system, making it commonly found in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026