AHK-Cu Peptide: What It Is and What It Does for Hair
AHK-Cu is a synthetic peptide known as Copper Tripeptide-3. Alanine-Histidine-Lysine bound to copper. It is used topically for hair and skin, almost always as a serum. The short version of everything below: AHK-Cu has one small human hair study behind it, it is not a hair-loss drug, and it works better as a support alongside …