The honest answer is that neither ingredient universally wins
Cutan Ocul Toxicol 35:17 Rajitha P, Biswas R, Sabitha M, Jayakumar R (2017) Methotrexate in the treatment of psoriasis and rheumatoid arthritis: mechanistic insights, current issues and novel delivery approaches
Biagi E, Nylund L, Candela M, Ostan R, Bucci L, Pini E, Nikkla J, Monti D et al (2010) Through ageing, and beyond: gut microbiota and inflammatory status in seniors and centenarians
2 After extensive application of knowledge and resources, roflumilast, crisaborole, and apremilast have achieved serial endorsements for their effectiveness in treating respiratory or dermatological inflammation
Interactions and Precautions: GHK-Cu is usually safe to use alongside common skincare and supplements