Users consistently report approximately 60 percent better outcomes compared to either peptide alone, a finding that aligns with their complementary mechanisms
Since its primarily found in animal products, those following a vegan or vegetarian lifestyle must find alternative sources
3 RGN-259 Phase 3 Trial in Neurotrophic Keratopathy Sosne et al., International Journal of Molecular Sciences (2022) This Phase 3 randomized, placebo-controlled, double-masked clinical trial evaluated topical 0.1% RGN-259 (full-length recombinant T4 ophthalmic solution) in patients with neurotrophic keratopathy
Benefits of GHK-Cu Enhanced Skin Elasticity: GHK-Cu increases collagen and elastin production, leading to firmer, more youthful skin
However, healthcare providers know that research has yet to prove that its any better than platelet rich plasma (PRP) for musculoskeletal conditions