Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience GHK Copper Peptide GHK Cu Tripeptide 1 Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding THE COPPER PEPTIDE GHK CU HAIR GROWTH CONDITIONER IS AN ADVANCED VOLUMIZING TREATMENT THERAPY FOR HAIR THAT NEEDS TO STOP SHEDDING FAST. MADE FROM A RESTORATIVE FORMULA OF ESSENTIAL KEY NUTRIENTS