Titanium dioxide spf and other sunscreens
Friday, July 31st, 2009Zinc oxide acts upon UVA rays much further than does titanium dioxide, that works largely about the UVB range. Microfine oxides like these may be employed only in restricted quantities, because otherwise they induce the skin to appear white. Zinc oxide functions to both assist titanium dioxide’s protection, as well as broaden photo protection to [...]