Over the past several decades, the efficacy of GHK and GHK-Cu in promoting tissue remodelling, exhibiting anti-inflammatory properties, and demonstrating antioxidant effects has been robustly validated across diverse tissues, encompassing the skin (Pickart et al., 2015), airways (Zhang et al., 2023), bones (Klontzas et al., 2019), skeletal muscles (Deng et al., 2023), stomach (Alberghina et al., 1992), and lungs (Zhang et al., 2022)
You'll likely see it in sunscreens because it helps disperse pigments and UV-reflecting minerals like titanium dioxide and zinc oxide evenly
Retatrutide is dosed once weekly
Regular administration can help manage symptoms associated with a deficiency and improve overall well-being in affected individuals