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A sleeping mask, also known as an overnight mask, is a skincare product designed to be applied before bed and worn overnight to deeply hydrate, repair, and nourish the skin while you sleep. Unlike regular moisturizers, sleeping masks often contain more concentrated active ingredients and are formulated to form a barrier that locks in moisture and boosts skin regeneration during the skin's natural nighttime repair cycle.
There are also eye masks or fabric sleeping masks (often made of silk or cotton), which are used to block