Gokul Eximp Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs) play a significant role in enhancing the visual appeal of textiles, paper products, and detergents by imparting a whiter and brighter appearance. Their chemical properties, effectiveness under various conditions, and regulatory compliance ar... https://www.gokuleximp.com/products/optical-brightner/