GHK Cu Side Effects, Complications, and Risk Profile Amazon.com: GHK Cu Copper Peptide Supplement, Anti Aging & Hair Growth Support, Improves Skin Elasticity & Firmness, Thicker, Fuller Hair, Easy Absorption, Precisely Dosed, 90 Vegan Capsules : Health & Household GHK CU: 1 Week Skin Transformation (Collagen & Glow) 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 GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) Cellular Reset Epithalon + GHKCu in Chicago Longevity & Skin Regeneration Peptide Therapy at Better Med Spa