Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health 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 Copper Peptides' Skincare Effects, Potential Risks & Side Effects Perfect Medical For subcutaneous injections, using shorter needles (4 5mm) is the safest choice to ensure medication stays in the fatty layer and avoids muscle injury. A 4mm needle is ideal, minimizing pain while keeping Radiance Restore (Epithalon + GHK Cu) Pure Hydration IV Spa in Jacksonville