Combat the effects of city life with the Oh K! 3-Step Anti-Pollution Marine Algae Sheet Mask. This three-step treatment is perfect for a pamper evening to help re-awaken your complexion. The detoxifying cleanser helps to remove the build-up of pollution particles on the skin to allow the ingredients in the sheet mask to work to full effect. The hydrating sheet mask works to replace moisture loss & fight free radicals with Vitamins, Minerals & anti-oxidants. The final stage of the treatment is a Marine Algae serum to nourish the skin & improve the natural moisture barrier.