SH-OLIGOPEPTIDE-91 SP is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-OLIGOPEPTIDE-91 SP

Safety grade: A

This ingredient is a chain of amino acids (the building blocks of proteins) designed to support your skin's natural functions. It's used in skincare products to help improve skin texture and appearance by working with your skin's own repair processes.

Graded using: COSING.

Last verified: June 9, 2026