Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHKCu Skin Repair Des Moines Peptide Therapy Iowa IV 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 peptides from Transcend, and Ive tried everything for thin brows and lashes., Serums. Oils. Peptides. You name it., Nothing worked until GHK Cu copper., Copper peptides dont just sit on the surface they actually signal the