In an adult with pattern hair loss or diffuse thinning and no known copper allergy, what is the recommended firstline topical peptide (copperpeptide, GHKCu) regimen? Reddit asked questions. Here are answers. GHK Cu isn't newit's just not heavily marketed for hair (yet). Dr. Loren Pickart discovered it in the 70s. Decades of clinical research. Solid mechanism. We screwed Amazon.com : Bloom Clinically Proven Copper GHK CU Peptide Hair Serum for Hair Growth Multi Copper Peptides Non Greasy & Lightweight for Thinning Hair Promotes Fullness, Reduces Shedding Made in USA : Does GHK Cu Regrow Hair? Here's What the Research Shows This compound has been studied for over 50 years., Most people discovered it last year on social media., , In 1973, Dr. Loren Pickart identified GHK Cu, while studying why young blood could restore