Boots Vitamin C Brightening Sleeping Mask designed to brighten and revitalize the skin while you sleep. The mask contains vitamin C, which is known for its antioxidant properties that help to protect the skin from damage caused by free radicals. This sleeping mask is formulated to deeply hydrate the skin, leaving it looking brighter, smoother, and more radiant. The lightweight, non-greasy formula is suitable for all skin types and can be used as part of your nightly skincare routine. Simply apply the mask to your face before bed and let it work its magic overnight.