But this product is no nostalgia-laced gimmick. If Hello Kitty grew up to be a feline chemist, this is what she'd make. This gel mask consists of a blend of plant stem cells and rose extracts.

The easy-to-use masks offer immediate hydration to dry skin, which is especially great for these dry, winter days! Most of the ones I get are just plain white, but when I saw this Hello Kitty ...