Rhassoul is renowned for its outstanding benefits that surpass those of other clays because it contains the highest content of silica, magnesium, potassium and calcium, and due of its extraordinary smectic qualities (absorption ability). It can be used as detoxifying cleanser, skin conditioner, shampoo, and facial & body mask. A non abrasive exfoliant, it acts like a magnet withdrawing all the toxins from the skin and replacing with highly beneficial minerals. The mineral qualities of Rhassoul Clay were studied extensively and presented at the 12th meeting of the National Institute of Phytotherapy in Paris in 1985. Rhassoul Clay contains a high percentage of silica, magnesium, potassium and calcium. Clinical studies have been carried out in two different research laboratories in the United States that evaluated Rhassoul use for skin conditions. The results of this single use Rhassoul study produced positive findings. Removes surface oil and oil from inside and around comedones (blackheads / whiteheads) Removes dead skin layers, resulting in a general smoothing of the skins surface. NOTE: Exercise caution if hair is chemically treated; patch test before applying to the whole head; chemicals will open the hair follicles and such treated hair may, but rarely, respond to this product in unanticipated ways.