HEXAPEPTIDE-42 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
HEXAPEPTIDE-42
Safety grade: A
Hexapeptide-42 is a short chain of amino acids (the building blocks of proteins) created in a laboratory. It's designed to interact with skin cells to provide anti-aging or skin-conditioning benefits.
This peptide is used in cosmetics to help improve skin firmness, reduce the appearance of fine lines, and promote a more youthful complexion.
Graded using: COSING, FDA.
Last verified: May 26, 2026