PENTAPEPTIDE-64 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-64
Safety grade: A
A small protein made from amino acids, this ingredient works to help strengthen and support your skin's natural structure. It's designed to improve skin firmness and reduce the appearance of fine lines by promoting elasticity and moisture retention in the outer layers of skin.
Graded using: COSING.
Last verified: June 9, 2026