TETRAPEPTIDE-68 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-68

Safety grade: A

A protein-based ingredient made of amino acids linked together, this peptide works to help improve skin firmness and support the skin's natural structure. It's commonly used in anti-aging and lifting serums to help reduce the appearance of fine lines and promote a more youthful-looking complexion.

Graded using: COSING.

Last verified: June 9, 2026