Evidence for mammalian collagenases as zinc ion metalloenzymes.1.Seltzer, J. L., Jeffrey, J. J. & Eisen, A. Z. Evidence for mammalian collagenases as zinc ion metalloenzymes. Biochim. Biophys. Acta BBA – Enzymol. 485, 179–187 (1977).
Effects of dietary selenium on UVB-induced skin carcinogenesis and epidermal antioxidant status.18.Pence, B. C., Delver, E. & Dunn, D. M. Effects of dietary selenium on UVB-induced skin carcinogenesis and epidermal antioxidant status. J. Invest. Dermatol. 102, 759–761 (1994).
The role of manganese superoxide dismutase in skin aging.38.Treiber, N. et al. The role of manganese superoxide dismutase in skin aging. Dermatoendocrinol. 4, 232–235 (2012).
Some magnesium salts and a mixture of magnesium and calcium salts accelerate skin barrier recovery. 42.Denda, M., Katagiri, C., Hirao, T., Maruyama, N. & Takahashi, M. Some magnesium salts and a mixture of magnesium and calcium salts accelerate skin barrier recovery. Arch. Dermatol. Res. 291, 560–563 (1999). Dermatol Surg. 2005 Jul;31(7 Pt 2):837-47; discussion 847.
Zinc Protects from photo-damage (Mitchnick et al., 1999);
Zinc Exhibits antimicrobial activity (Mitchnick et al., 1999);
Copper serves as an antioxidant (Pickart et al., 2012);
Copper stimulates the maturation of collagen (Pickart, 2008)
Copper modulates melanin synthesis (Menkes, 1988)
Selenium protects skin from UV irradiation-induced oxidative stress (Balagopalakrishna et al., 1997; Rafferty et al., 1998);
Selenium Useful for the prevention and treatment of psoriasis (Juhlin et al., 1982)