Dr. Hauschka Cleansing Clay Mask To purchase Dr. Hauschka Cleansing Clay Mask and other homeopathic remedies online, please click the button above. A deep cleansing and purifying mask treatment for all skin conditions. Absorbs excess oil and impurities as it soothes inflammation and reduces the appearance of blemishes. Dr. Hauschka Cleansing Clay Mask is available to buy through our online shop from Helios, Europe, by clicking the red 'View Purchase Options' button.