What it is: A radiance and moisture-enhancing facial mask. What it is formulated to do: This 100 percent cotton mask drenches the skin with pitera’s fusion of vitamin, amino acids, minerals, and organic acids, while working to revitalize, comfort, and provide intense hydration. It immediately replenishes dehydrated skin, leaving it refreshed and cool. What else you need to know: This product is one of the bestsellers of the SK-II line. As a bridal skincare ritual, the Japanese like to soak Facial Treatment Masks everyday for more than 90 days prior to the wedding day.