RF Microneedling with GHK Cu Peptides for Natural Results The GHK cu in my face is working Looksmax.org Men's Self Improvement & Aesthetics Copper Peptide Ghk Cu 99% Skin Care Ghk Cu 50mg 100mg vials Cosmetic Ingredient GHK GHK CU and blue copper 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK KPV GHK Cu (10 50 MG) Sigma Compounds