Moisturizer skincare products are designed to hydrate and nourish the skin, helping to maintain a healthy and youthful complexion. They come in various forms, such as lotions, creams, and gels, and can contain ingredients such as hyaluronic acid, glycerin, and ceramides, which help to lock in moisture and protect the skin's barrier. Moisturizer should be applied regularly, after cleansing and toning, to keep the skin hydrated and healthy.