COVERMARK Cell Advanced Cream WS (30g / Refill 30g) Like a corset for your skin—this cream delivers astonishing firmness by the next morning. With its rich, luxurious texture, it glides on smoothly and adheres firmly even to damaged skin. It helps lock in the firmness and elasticity provided by lotion and serum, maintaining those benefits while you sleep. How to Use Use at night as part of your skincare routine. After preparing your skin with lotion and applying serum, gently massage the cream over your entire face and neck.