guywl copper peptide cream 2 ghk cu 5 niacinamide hydrates Temu 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 GHK Cu Topical Gel Transparent Peptides Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health Neurogan GHK Cu Copper Peptide Face Cream 4% Peptides for Skin Firmness & Deep Hydration Daily Facial Moisturizer with 2400 MG GHK Cu, 2oz Walmart.ca GHK Cu is a copper peptide known for its regenerative and anti aging properties , This topical cream may help support collagen production, improve skin quality, reduce inflammation, and even support