GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? copper peptide benefits (GHK Cu) Dr. Harikiran Chekuri 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 Botox and GHK Cu work in completely different ways. Botox reduces wrinkles by relaxing the muscles in your face so they cannot contract as strongly. When the muscles stop moving as much, the skin Could this peptide replace Botox? , Not exactly, but it is changing the future of aesthetics., GHK Cu is a regenerative copper peptide that works at the skin level to stimulate collagen, improve