ACETYL D-ASPARAGINYL D-VALINYL D-VALINYL D-LYSINAMIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ACETYL D-ASPARAGINYL D-VALINYL D-VALINYL D-LYSINAMIDE

Safety grade: A

This is a lab-created peptide—a tiny chain of amino acids—designed to help skin feel smoother and more firm. It works by supporting the skin's natural structure and may help reduce the appearance of fine lines when used regularly in skincare products.

Graded using: COSING.

Last verified: June 9, 2026