Nothing in it conflicts with vitamin C or a retinoid, and the Ceramide NP and Niacinamide make it a sensible cream to run alongside a retinoid, since a retinoid asks more of the barrier than an ordinary night does
AOD-9604, a modified fragment of human growth hormone, has been studied for its effects on fat metabolism without the broader growth hormone effects
Metformin, a new era for an old drug in the treatment of immune mediated disease
Melanoma Res 14:A14A15 Seiwerth S, Rucman R, Turkovic B, Sever M, Klicek R, Radic B, Drmic D, Stupnisek M, Misic M, Vuletic LB, Pavlov KH (2018) BPC 157 and standard angiogenic growth factors
Its benefits also include a skin brightening effect
Theoretical concerns Copper accumulation: GHK-CU contains copper, raising theoretical concerns about accumulation with long-term use