GHK Cu Copper Peptide: The Ultimate Peptide For Longevity GHK CU, Why this audio? Because injecting feels like a constant wasp sting so it takes me about 15 seconds to pin .2 mL. I dread this shot every night for that reason. Also, it leaves me bruised, so I GHK CU Crepey Skin Escape Platinum Skin Care For those of you that take ghk cu, why is this so bad? It's never been this bruised. But is always swollen, red, and burns like hell. I can only tolerate every other Why do glow peptides burn or sting after injection?, If youre using GHK Cu, BPC 157, or TB 500 for skin health, hair, or tissue repair, this is a common question and usually not a problem., Glow Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I