If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Amazon.com: GHK Cu Copper Peptide Oral Liquid Drops, 6 in 1 Liposomal GHK Cu Supplement w. Marine Collagen Peptides, Hyaluronic Acid, Biotin & Grape Seed, Support Skin Elasticity, Anti Aging, Hair Growth & Nails : Health GHK Cu LVLUP Health GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Why is the injection site painful after administering GHK Cu (Glycyl L Histidyl L Lysine Copper) 2mg mixed with normal saline?