GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Skin MD Laser & Cosmetic We don't sell peptides. We prescribe personalized optimization. Introducing physician guided peptide therapy at SkinMD a Instagram Felicite Did you know GHK Cu is one of the most studied peptides for skin health and tissue repair? This copper peptide has been explored for its potential to: Boost Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B