Does Ghk Cu Actually Work Benefit TikTok 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 2 weeks in on GHK Cu (copper peptide) and I'm already hooked! Started at 2mg three times a week to ease in, and now I'm bumping it up to 2mg every single day. GHK Cu Peptide Therapy Brea, CA Orange County