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 PSA: Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r 30PlusSkinCare Understanding Topical GHK Cu Peptide Benefits for Skin Rejuvenation in Maryland Preston's Pharmacy Amazon.com : Bloom Clinically Proven Copper GHK CU Peptide Hair Serum for Hair Growth Multi Copper Peptides Non Greasy & Lightweight for Thinning Hair Promotes Fullness, Reduces Shedding Made in USA : GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum