DR.JART+ Dermask Shaking Rubber Soothing Shot comes with a shaking rubber booster and an ampoule. When mixed it and applied onto face, it leaves a cooling and soothing sensation. Formulated with Vitamin K3, this mask pack will help calm and soothe irritated skin. The addition of Guava leaf extract allows increased skin regeneration effect to build a protective skin barrier. Your skin will be left feeling hydrated, soothed and smooth.