Why are antioxidants good for you
Starting Concentration and Gradual Introduction Many dermatologists recommend starting with lower concentrations, under 0.5%, and gradually increasing to higher strengths as your skin acclimates
[ref open access] Why could the risk be greater during infancy
FDA has underlined the adverse effects of DPP-IV inhibitor drugs such as Januvia, Janumet, Janumet XR, Onglyza, Kombiglyze XR, Tradjenta, Glyxambi, Jentadueto, Nesina, Kazano, and Oseni with active compounds sitagliptin, sitagliptin and metformin, sitagliptin and metformin extended release, saxagliptin, saxagliptin and metformin extended release, linagliptin, linagliptin and empagliflozin, linagliptin and metformin, alogliptin, alogliptin and metformin andalogliptin, and pioglitazone, respectively (60)
You will notice less pigmentation, dullness, and skin clarity
Ichinose Y, Hasebe T, Hirasaki M, Sakakibara A, Yokogawa H, Nukui A, et al