Hair loss drugs: What are the alternatives? Nurtural Does it work? Maneup GHK Cu hair growth serum : r tressless Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact 30 Days Before & After Copper Peptide Serum Copper peptides arent just anti aging theyre skin quality essentials. No matter your age, strong skin = better texture, elasticity, and resilience. AHK CU Peptide for Hair Growth Plu Labs Discovery Size (10 ml)