... , magnesium, constant element phosphorus and zinc, iron, selenium, copper, strontium, iodine, fluorine, metasilicate and other 18 kinds of trace elements ... The role of maifanite(1) strong adsorption: maifanite fine powder is observed the electron microscope,it is a sponge- ... symptoms, so that the skin becomes more smooth. Maifanshi powder which have the strong adsorption characteristics and the release ...