Too Cool For School Egg Cream Mask (Hydration) in Beauty: NA. Drenched in nutrient-rich egg yolk, egg white, and hydrating actives, Too Cool For School’s Egg Cream Mask (Hydration) delivers visible results in as little as 20 minutes. This skin-fitting microfiber sheet mask comfortably adheres to all facial contours for effective delivery of the concentrated serum.. Coconut Water provides hydration while Niacinamide and Camu Camu Extract are rich in vitamin C to brighten the skin. Suited for dry skin types. Formulated without parabens, sulfates, and mineral oil. 1 mask. Remove mask from packaging and pull mesh off slowly, then discard. Apply microfiber mask to fit the contours of the face. Press mask gently and leave on for 10-20 minutes; peel off mask and massage remaining serum into skin. TCOL-WU2. EG1001. Too Cool for School is an artistic cosmetic brand focused on creative experimentation and contemporary culture. One of the first South Korean K-Beauty brands to enter the American mainstream market, Too Cool for School was conceived and designed in New York City and the artwork for the first artist collaborative packaging was simultaneously created in London. With its uniqueness, along with high quality, high efficacy products manufactured and developed in South Korea, Too Cool For School entered the US market quickly and set the bar for other Korean Skincare brands. Today, Too Cool For School is one of the most sought out brands in South Korea, setting new standards and advocating artistic expression in beauty culture.