Sand & Sky Australian Pink Clay Porefining Face Mask On Monday, Jan. 18 take advantage of the Sand & Sky Australian Pink Clay Porefining Face Mask ($20, originally $40) being half-off. This brightening and refining face mask works its magic in just ten minutes. If you have oily and acne-prone skin, this is for you. Image Source: ulta.com Sand & Sky Australian Pink Clay Porefining Face Mask $20 from ulta.com Buy Now