Acne demons strike 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.