This rich clay Biretix Mask helps to unblock your pores and control oil and shine. With a complex of clays rich in natural minerals, your skin will be purified with impurities and toxins removed. Combined with a powerful combination of two types of retinoids using RetiSphere Technology, this intensive weekly treatment helps to prevent the development of spots and blackheads whilst reducing shine and redness and controlling oiliness. Benefits of Biretix Mask:  Purifying rich clay mask Oil-regulating Anti-inflammatory Key ingredients: RetinSphere Technology - to increase cell renewal. Purifying Green Clay (5%) and White Clay (10%) - to purify the skin and control oil. Vitamin E - to protect the skin from pollutants and free radicals. How to use: Apply a thin layer to your cleansed skin and leave on for 30 minutes. Rinse away with warm water. Use once or twice weekly for the best results. Size: 25ml