GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Baldness Secret: GHK Cu Consult your nearest dermatologist for this treatment Hair loss is not just about DHT sometimes the follicle simply loses its repair signals. One powerful molecule is GHKCu (GlycylLHistidylLLysine GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect 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.