Your skin may not need more products It may need the right signal If skincare, treatments, and glow routines still are not giving you what you are looking for, the next step ghk cu peptide for loose skin after weight loss GHK Cu Before and After: See Fine Lines and Wrinkles Fade Fast 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