Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum This is what the combination of microneedling, peptides and consistency can do These photos are results from scalp restoration using GHK CU from @neuroganhealth How does this treatment work? Microneedling is used GHK Cu Scalp Solution Empower Pharmacy Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience Topical or SubQ GHK Cu? Same molecule. Very different purposes. Topical you apply it on your skin. Think of it as feeding your skin from the outside. In a 12 week study of GHK Cu Hair Growth Serum Proven Copper Peptide, $299