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

ACETYL SH-PENTAPEPTIDE-1

Safety grade: A

This is a lab-created peptide made of five amino acids linked together, which are the building blocks of proteins in skin. It's designed to help improve skin texture and firmness by supporting the skin's natural structure.

This ingredient conditions and softens the skin while helping to maintain its elasticity and smooth appearance.

Graded using: COSING.

Last verified: May 26, 2026