ISA KNOX Crystal W All-in-One Cream Advanced EX Double anti-aging care with two layers of cream New, unused, unopened. Please refrain from purchasing if you are nervous or concerned about minor details, as it has been stored at home. This all-in-one cream, which replenishes and retains moisture and oil, has been upgraded*. The refreshing crystal gel cream and the flower cream, which focuses on the power of plants, balance the skin. It functions as a lotion, emulsion, serum, and cream, so you only need this one after washing your face!