Copper Peptides Before and After Hair: What to Expect Month by Month HapiPatch 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime 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 Co delivery of bioactive peptides by nanoliposomes for promotion of hair growth ScienceDirect