Brighteners refer to substances or compounds that enhance the brightness or whiteness of a material or surface. Synonyms for brighteners include illuminators, enhancers, lighteners, whiteners, radiators, intensifiers, and boosters. These words all convey the idea of something that adds or amplifies brightness or luminosity. Other related terms include shining agents, glare-reducers, reflectors, and light-adding compounds. Brighteners are commonly used in the textile, paper, and plastic industries to improve the appearance of products. They can also be found in many cleaning and personal care products, such as laundry detergents, toothpaste, and skin creams, to enhance the visual effects of these products.