GHK Cu Blue Skies Health & Wellness Clinic 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: GHK Cu Copper Tripeptide 1 Research Reagent GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK Cu Peptide: Benefits, Dosing & Anti Aging Effects