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. Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience 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): Copper Peptides for Hair Loss: How GHK Cu Can Stimulate Hair Growth HapiPatch