PENTAPEPTIDE-26 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-26

Safety grade: A

This is a tiny chain of amino acids (the building blocks of proteins) created in a laboratory. It works to help keep skin feeling smooth and hydrated.

This ingredient is used to condition and improve the overall texture and appearance of skin by helping it retain moisture and maintain a soft, supple feel.

Graded using: COSING.

Last verified: May 26, 2026