Absolute GROW Scalp Therapy Serum So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. Hebe GHK for Hair Loss Just 3 Months In! GHK Cu is a game changer for hair restorationjust 3 months of treatment and the difference speaks for itself. Stimulates growth Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz Your skincare isn't working. But your hair is the real signal. If you're noticing thinning, shedding, or less density it's not random. And it's not just genetics. Meet GHK Cu (copper peptide):