When the acne demons strike, it\'s time for a fast fix anti-acne sheet mask. The zit-zapping trio of papaya, lemon balm and salicylic acid penetrate pores to give pimples their proper punishment. Each individually-wrapped, serum-soaked mask contours to your face to deliver concentrated doses of active botanical ingredients. Fear not: sometimes it tingles while it works. That\'s a good thing. Mask is made from natural, sustainably-sourced fiber. hypo-allergenic made with natural, sustainably-sourced fibre contours to your face How to use: (1) Clean and dry face. (2) Carefully unfold mask and apply to face, adjusting around eyes, nose and mouth and smoothing over curves. (3) Leave on for 5-15 minutes. (4) Remove and discard mask. (5) Gently massage remaining serum into skin. No rinsing