GUYWL Copper Peptide Cream with 2% * & 5% Niacinamide Hydrates * and Smoothes Skin for * in a Uniform Light Beige Tint, Suitable for Face and Neck an Ideal Gift for Holidays, Birthdays. Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health Fraley Whats the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why its used in anti aging skincare What results