GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? Amazon.com: Peptide Serum for Face 20% Argireline, Matrixyl 3000 & Copper GHK Cu with Hyaluronic Acid Anti Aging Firming Serum Wrinkle Relaxing, Skin Tightening Boost Collagen with Peptides 1 FL OZ : Diluting my GHK CU so it doesnt sting or burn! I take it Mon Fri (5 days) and weekends off! The first 2 days the spot I pinched hurt a lot, diluting with 20 units of BAC water This peppy is good GHK Cu Peptide The benefits, side effects, and more [2026] Essential Methods for Reducing GHK CU Sting TikTok If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost