Hyperpigmentation no more? GHK Cu Users Share Their Stories Aseir Custom GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Cellular Glow Copper Peptide GHK Cu Serum for Face The key to preventive aging in your 20s? Starting early, with science that's gentle yet powerful. Introducing the new Copper Peptide + PDRN 1.25% Face Serum your first step into anti aging 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