Summer Fridays R + R Mask Now we're at the mask portion of the night, which I like to use two to three nights a week. My go-to right now is this Summer Fridays R + R Mask ($26, originally $52) because it has the unique distinction of being moisturising and exfoliating. Image Source: sephora.com Summer Fridays R + R Mask $26 from sephora.com Buy Now