Hydrating serums are lightweight skincare products designed to deliver moisture directly to the skin. They typically contain ingredients like hyaluronic acid, glycerin, and aloe vera, which help attract and retain water, making the skin appear plump and healthy. These serums are often used after cleansing and before moisturizing to enhance hydration. Unlike heavier creams, hydrating serums absorb quickly and can be layered under other products. They are suitable for all skin types, including oily and sensitive skin, as they provide hydration without clogging pores. Regular use can improve skin texture and overall appearance.