Introduction of optical brighteners

Optical Brighteners are commonly added to laundry detergents to make the clothes look cleaner.

Brighteners are used in many papers, especially high brightness papers, resulting in their strongly fluorescent appearance under UltraViolet illumination.

Optical brighteners are also used in cosmetics. One way to do this is to use shampoos and conditioning formulations for gray or blonde hair that contain brighteners that not only add shine and shine, but also improve dull, yellowed hair without darkening it. Some premium face and eye powders contain optical brightening microspheres to brighten shadowed or dark areas of the skin