Germany, March 3 -- The sale of BASF's optical brightening agent business to Catexel was completed end of February 2026. Optical brightening agents are ingredients in laundry detergent formulations. Both parties have agreed to keep the financial details of the transaction confidential.The transaction comprises the international business including the production of optical brightening agents at the Monthey site in Switzerland. As part of the divestment, around 80 employees transfer to Catexel.Catexel is the Care Chemicals platform of the International Chemical Investors Group (ICIG), specializing in high-quality specialty chemicals for detergents and cleaning products, personal care, and industrial applications.BASF remains a leading supplie...