Sulfur SPOT&MASK is an acne spot treatment (& mask) made of key ingredients like clay, zinc, sulfur, and glycolic. This sulfur acne treatment starts to zap whiteheads and bacteria in a matter of minutes and can also be used as a preventative mask. Benefits: These 4 key active ingredients are like action heroes with different powers. You can utilize this formula to treat one-off breakouts as they arise or as a wash-off mask as often as you need. Sulfur and zinc are beneficial for acne due to their anti-inflammatory properties while the clay and glycolic dry out impurities and excess oil. It helps calm and speeds up your skin's healing process, providing instant relief to inflammation caused by budding acne breakouts.