Recent reports have shown that Cr displays antioxidant activity which could explain its beneficial cellular effects
Hu J, Zhang Y, Jiang X, Zhang H, Gao Z, Li Y, Fu R, Li L, Li J, Cui H, Gao N
doi: 10.1515/CCLM.2003.032 249 Decreased consumption of corticosteroids after selenium supplementation in corticoid-dependent asthmatics
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And as for how often to use it, I would say every day if you can via your day and night creams, serums and eye care - my favourite is the Eyelid Lift Serum. BEST GLUTATHIONE SKIN CARE GLUTATHIONE SKIN BENEFITS FAQs Is glutathione better than retinol
Incorporating certain foods and nutrients into your diet is beneficial