Black Clay Mask is Decléor's 98% natural-origin clay face mask, enriched with rosemary essential oil, salicylic acid and black clay to reduce imperfections (such as visible pores, blackheads and breakouts) and purify the skin without drying it out. . Benefits: Skin feels instantly detoxified and mattified, with a healthy glow. The overall appearance of the skin is improved with fewer blemishes, blackheads, breakouts and visible pores. This 98% naturally derived formula combines the blemish-fighting power of rosemary essential oil with naturally derived salicylic acid and black clay to purify skin.