GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications My friend Andy Hnilo uses GHK copper peptides in his Alitura skin care line, which helped him recover with almost no scarring from a horrific car accident that broke his jaw in five Peptides for Plastic Surgery: Weight Loss, Skin, Healing & Recovery The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care