Citrus-based refers to products or ingredients derived from citrus fruits, such as lemons, limes, oranges, and grapefruits. These fruits are known for their tangy flavor and high vitamin C content, making them popular in cooking, beverages, and health products. Citrus-based items can include juices, zest, and essential oils. Citrus-based products are often used for their refreshing taste and natural preservatives. In cleaning products, for example, citrus extracts can help cut through grease and provide a pleasant scent. Additionally, many skincare products incorporate citrus for its brightening and exfoliating properties.