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 Essential GHK Cu Serum: What It Is, How It Works, and Why It Matters f Bacteriostaticwater.com Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect