The ladies are raving about GHK but let's see if it actually makes a difference #lowtox #health #GHK #migraine #women GHK Cu Hidden secrets that you need to Know! Knowledge 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 Shed Copper Peptide Hair Growth Serum Take an Rx approach to hair health Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience