6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic LVLUP Health GHK Cu Oral Copper Peptide Capsules Holistic Lifestyler Bunbury Chiropractic Services & Supplement Store Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: Wellness peptide craze: why people are injecting drugs 'not for human consumption'