In another trial, 41 women with mild to advanced photodamage applied GHK-Cu eye cream for three months and saw reduced lines and wrinkles, improved skin density, and increased skin thickness better than both placebo and vitamin K cream.3 Similarly, in a pilot study investigating copper tripeptide topicals for aged skin, experts found that they increased skin thickness and elasticity, improved hydration, and boosted collagen synthesis.3 Hair growth In a review from 2023, experts explained that GHK-Cu may promote hair growth in a few different ways
Vitamin C helps "recycle" glutathione back into its active state, while glutathione helps restore vitamin C after it has neutralized a free radical, creating a powerful loop of antioxidant support
LC could increase the amount of protein retention by inhibition of the proteolytic pathway
Miller KJ, Bowsher RR, Celniker A et al (2001) Workshop on bioanalytical methods validation for macromolecules: summary report
BPC-157 has its own wound healing properties that complement GHK-Cus regenerative effects
But what exactly is glutathione