TETRAPEPTIDE-93 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-93

Safety grade: A

A small protein fragment designed to help smooth the appearance of fine lines and support skin firmness. It works by signaling skin cells to maintain their structure and elasticity, making it a common choice in anti-aging creams and serums aimed at promoting a more youthful-looking complexion.

Graded using: COSING.

Last verified: June 9, 2026