Washing detergent, also known as laundry detergent, is a specialized cleaning product designed to remove dirt, stains, oils, and odors from various types of fabrics and textiles. It is formulated with a complex blend of surfactants, enzymes, builders, optical brighteners, and other additives to deliver effective cleaning while preserving the quality of the fabric. Surfactants in the detergent reduce the surface tension of water, allowing it to penetrate fabric fibers and lift away dirt particles. Enzymes target specific types of stains, such as grass, blood, or food, by breaking down their chemical structure. Builders help to soften hard water, preventing mineral deposits from interfering with the cleaning process. Optical brighteners may be included to enhance the appearance of white or colored fabrics by absorbing ultraviolet light and re-emitting it as visible light, giving the illusion of increased brightness. Washing detergents come in various forms, including powders, liquids, pods, and concentrates, each designed for different washing methods and machine types. They may be formulated for specific purposes, such as heavy-duty stain removal, color protection, gentle care for delicate fabrics, or eco-friendly performance with biodegradable ingredients. Washing detergent is essential for maintaining the cleanliness, freshness, and longevity of clothing, linens, and other textiles, and choosing the right detergent can significantly impact the washing results and the lifespan of the fabrics.