A refreshing and purifying rinse off clay mask that helps absorb skin dulling impurities for skin that looks visibly refined and refreshed. Encourages the appearance of a flawless, rested-looking complexion with regular use. Series: Waso Purifying Peel Off Mask. Gender: Unisex. Category: Skin Care. SubType: Masks & Peals. Beauty group: Face. Size: 3.7 oz. Barcode: 729238149366. Waso Purifying Peel Off Mask by Shiseido for Unisex - 3.7 oz Mask.