Oily and combination skins, non-infectious acne, with impurities and/or eczemas. The skin is especially sensitive to oligoelement deficiency states. A great number of skin enzymes that run biochemical exchanges, both in the dermis and in the epidermis, require a permanent bioavailability of those chemical elements, so the lack of minerals may be the origin of a deterioration of the good condition of the skin leading a number of beauty imperfections.