**Recently, about the detergent in the fluorescent whitening agent harmful to the human body of the news let a lot of people worried about. August 2, China Detergents Industry Association held in Beijing, "detergent with fluorescent whitening agent **** sex" expert media meeting, on the detergent in the fluorescent whitening agent to explain.

    Professor Shen Yongjia, a doctoral supervisor at East China University of Science and Technology, said that fluorescent whitening agent is an optical conditioning agent. Its principle of action is to convert invisible ultraviolet light into blue light visible to the naked eye, superimposed on the yellow light of the fabric itself, emitting white light to achieve a soft, pleasing whitening effect, has long been widely used in textiles, paper, detergents, plastics, and many other fields. Fluorescent whitening agent and water, are transparent and colorless, can not cover the stains, add it to the laundry detergent because of its color-conditioning function, rather than the rumors of "in the clothes coated with a layer of white stuff to cover the stains".

    Professor Wu Zhigang of the Department of Labor Hygiene and Environmental Hygiene at the Tongji Medical College of Huazhong University of Science and Technology explained the use of fluorescent whiteners in detergents from the perspective of **** sex. He said: "The acute toxicity level of fluorescent whiteners for detergents is comparable to that of table salt, non-teratogenic, non-carcinogenic, non-mutagenic, non-irritating to the skin, and will not be absorbed percutaneously. Even if accidentally ingested, it will not accumulate in the body, and can be quickly and completely discharged from the body through normal metabolism. Fluorescent whiteners for laundry detergents have been used globally for more than 40 years, and their **** properties are widely recognized."