TETRAPEPTIDE-29 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-29

Safety grade: A

Tetrapeptide-29 is a small chain of amino acids (the building blocks of proteins) created in a laboratory. It's designed to help improve skin texture and firmness by working with your skin's natural processes.

This ingredient conditions and softens the skin while helping to improve its appearance and feel by supporting the skin's natural structure and elasticity.

Graded using: COSING.

Last verified: May 26, 2026

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