Skinbetter Science Refresh Detoxifying Scrub Mask is a dual-functioning, clay-based scrub mask that uses naturally derived ingredients to exfoliate to promote smoother, more even-toned skin. Benefits: Dual-functioning, clay-based scrub mask that resets the skin for clarity and radiance. Uses gentle, biodegradable spherical beads to lightly and very gently resurface the outer layer of skin. Promotes smoother, more even-toned skin. Clay minerals absorb unwanted oil and remove toxins and other impurities. Can be left on spots overnight.