... Soap Tourmaline has a special role of thermo-electricity and piezoelectricity.When the functional materials is applied to the carrier ... the charge, release a large number of negative ions and launch far-infrared under the condition of heat, pressure ... skin, Pigmentation, Face and neck muscle relaxant,Red face, Freckles, Black eye,Eyes with ptosis, Gray nail, Facial Paralysis. bamboo charcoal soap