GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this GHK Cu Copper Peptide Hair Growth Serum Blackbird Skincare: Custom Skincare & Beauty Manufacturer Tailored Solutions for Every Brand Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz Copper Peptides for Effective Hair Growth Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are