Sanex Nature Protect Deodorant with mineral alum. New NaturProtect is a more natural yet highly effective Sanex deodorant. It contains the natural mineral Alum which effectively protects you against body odour in a more natural way. And whats more it takes care of your skin while letting it breathe. Sanex NaturProtect, natural efficacy. The British Skin Foundation has validated the research behind the Sanex NaturProtect deodorant range.