A soothing dipeptide (tyrosine + arginine) based molecule that functions as a "messenger of tranquility and muscle relaxation". It works via stimulating the skin nerve cells to release met-enkephalin, which is an opioid (i.e. relaxing, pain-relieving) messenger molecule.
L-Arginine, N-acetyl-L-tyrosyl-, hexadecyl ester;
Acetyl Dipeptide-1 Cetyl Ester is composed of amino acids combined with esters, and is commonly used in hair and skin conditioners.