qua Pure Flash Mask is a hydrating mask from Biotherm that acts like a second skin that infuses intense hydration, powered by the combination of salicylic acid and Life Plankton probiotic water, for pure skin in a single application. A weekly mask is enough to deeply replenish and refine your skin, with pores that appear less visible and skin that appears more purified and fresh. This hydrating mask is formulated with a combination of: - Salicylic acid, known for its powerful purifying properties. - The same concentration of Life Plankton water found in a bottle filled with its super Concentrate. This combination will give your skin a fresh start. Texture: This moisture-laden 100% cotton moisturizing mask is infused with salicylic acid, created to retain more moisture than traditional masks. As soon as it touches your skin, its second-skin effect helps active ingredients penetrate deeply for fresh, long-lasting skin hydration, making it the best hydrating mask for purer skin.