Peptide Therapy for Pain Management and Healing Core Medical & Wellness Buy GHK Cu Exceptional 99%+ Purity Third Party COA Included GHK Cu is a peptide that helps improve skin by boosting collagen and healing damage. It can be used as a cream (topical) or an injection. The cream is great for wrinkles, scars, and hydration, but it Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare 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 A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend