GHK Cu is a copper peptide that supports hair growth by stimulating hair follicles, increasing blood flow to the scalp, and extending the hair growth (anagen) phase. It also helps reduce inflammation and PDF) The effect of tripeptide copper complex on human hair growth in vitro AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan Retatrutide & AOD9604: A Deep Dive into the "Triple Plus" Protocol We know that Retatrutide is the new heavy hitter on the block, but when you add AOD9604 to the mix, you aren't