This is a Beyond Beauty product which means it has been sourced, tried and tested and finally declared one of the most new and innovative heroes out there. This Works Evening Detox Clay Mask is a 10-minute malachite and kaolin clay mask to detoxify and purify skin exposed to pollution on a daily basis, defending it against further congestion. Used in the evening 1-2 times a week, its superblend of natural kaolin clay controls excessive sebum on the skin's surface, drawing out daily build-up of impurities. While the multi-fruit acids exfoliate by increasing the rate of cell renewal and decongesting clogged pores.