Beauty Treats - Charcoal Purifying Facial Mask / 1 Sheet Mask. Beauty Treats Charcoal Purifying Facial Mask is formulated with charcoal powder to cleanse skin for a hydrated and refreshed complexion. Charcoal powder helps to minimize the appearance of pores and absorbs oil for a deep facial cleanse. Our special formula helps improve skin texture and elasticity, leaving your skin radiant and moisturized.