10% GHK CU 5% AHK CU Copper Peptide Serum Powerful Hair Growth Treatment, Reduces Thinning & Thickens Hair Fruugo NL 9 months of consistency with a protocol that works systemically, not superficially. This has included GHK Cu subcutaneous and topical, collagen, protein and an intentional lifestyle ticking off the essentials of sleep, training, Hair Growth Serum Intense with Copper Peptide GHK Cu Mayraki Copper Peptide GHK Cu Skin Serum Nubeean Noosa Copper Peptides for Hair Serum GHK Cu for Hair PLU Labs