なぜ防腐剤を化粧品に加えるのですか？
Daily chemical products, especially creams and lotions, need to be in contact with the face and skin for a long time. Facial cleansing milk, shampoo, etc. should also be in contact with the human body. If the cosmetic contains nitrite, it may be improperly stored or preserved in cosmetics. When the agent is used improperly, it may be reduced by bacteria or reducing substances in cosmetics to form nitrite, and the nitrite of nitrite and protein on the protein is a strong carcinogen, which is extremely harmful to the human body. Personal care products are items that are used daily or continuously in people's lives. At this point, the substances they add are more stringent than the drugs. In the process of production and use, they must be guaranteed to be safe and stable. Sex. In the production process, the process must be strictly controlled to prevent the formation of bacteria, and consumers are also faced with secondary pollution problems during use and storage. Therefore, it is necessary to add an appropriate amount of preservative to inhibit the growth and growth of microorganisms.
