Copper peptides + red light therapy = INCREDIBLE results : r 30PlusSkinCare GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even GHK CU Beverly Hills Rejuvenation Center GHK CU Peptide Medshape Weight Loss Clinics