Rhassoul Clay This Rhassoul Clay is sourced from mountains formed by natural volcanic activity and geothermal changes. Our offered clay is used in spas and beauty parlors to increase skin elasticity, reduce blemishes & blackheads and to maintain even skin tone. Also, it is ideal to process toiletries like shampoo, soap, face wash etc. Provided clay is an excellent source of minerals i.e. magnesium and potassium.