GHK Cu (Copper Peptide) has emerged as one of the most promising regenerative peptides for hair restoration due to its ability to stimulate follicular activity, improve scalp circulation, reduce inflammation, and prolong the GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect