TETRAPEPTIDE-2 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-2

Safety grade: A

Tetrapeptide-2 is a small chain of amino acids (the building blocks of proteins) created in a laboratory. It works to help keep skin hydrated and smooth by improving the skin's natural moisture retention.

This ingredient conditions and moisturizes the skin by enhancing hydration and helping to maintain a softer, more supple complexion.

Graded using: COSING.

Last verified: May 26, 2026

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