An overnight firming and purifying treatment that acts like a facial while you sleep. Ideal for anyone looking for a mask that offers overnight results. Skin Caviar Luxe Sleep Mask is infused with caviar extract to nourish and boost skin's long-term firmness. The luxuriously textured formula brushes on and melts into the skin where it works its magic while you sleep. It contains a natural exfoliant that smoothes, softens and improves your skin in as little as one application.