Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Copper Peptides (GHK Cu) & Beard Growth : r Minoxbeards Youve heard of GHK Cu., We didnt stop there., Our formula pairs GHK Cu with its bigger, more targeted brother AHK Cu., GHK Cu helps support follicle health and strand strength., AHK Cu has been