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 Skin rejuvenationCOPPER PEPTIDE GHK CU phytolab 2 weeks in on GHK Cu and the glow is REAL., Brighter complexion, More even skin tone, Less breakouts, Softer fine lines, Thicker, fuller hair, This is just the beginning. Consistency is GHK Cu Peptide Therapy in York & Hanover PA Body by Barker I've tried everything for thin brows and lashes. Serums. Oils. Peptides. You name it. Nothing worked until GHK Cu copper. Copper peptides don't just sit on the surface they actually signal the