“Baby warmer” does not use electricity, nor heating, then where is its heat source ? Will it be harmful to the body? Recently, many readers who bought baby warmers online, for this reason, the reporter sought multiple evidence, experts believe that the regular manufacturers of baby warmers, radiation can be ignored, in addition to the need to prevent low-temperature burns, do not worry too much. Baby warmers rely on oxidation reactions to heat up Reporters cut open a package of baby warmers, found only some white and brown-black powder inside. The reporter contacted the dealer on the bag, he explained that the baby warmer uses a simple oxidation exothermic principle, these powders, containing iron, stone, activated carbon, inorganic salts, water and other synthetic substances. When one tears the sealed outer packaging and rubs it, oxygen seeps into the non-woven bag, reacting with the powder inside the bag to oxidize and release heat. The professor confirmed that this method does generate heat, and that this oxidation reaction itself does not produce radiation. The director of the radiology department said that the baby warmer using regular materials should be certified by the national quality testing and will not produce radiation. But using poor quality raw materials of counterfeit products, it is difficult to say whether there is no radiation-containing substances. Therefore, buy baby warmers to choose a product with quality certification. The 75-year-old Mrs. Zhou has been suffering from frozen shoulder for years. A week ago, her dutiful daughter bought a box of “baby warmers” wholesale for her mother, telling her that they would automatically heat up and could be stuck on her shoulder to stop the pain when it was cold. Mrs. Zhou took out a baby warmer that afternoon and put it directly on her left shoulder. After the baby warmer started to heat up, Mrs. Zhou felt that her left shoulder really didn’t hurt so much. When her daughter changed her clothes, she found that she had not put the baby warmer directly on her skin through her autumn coat, and immediately uncovered the baby warmer, and found that the skin had been burned with many bean-sized blisters, which the doctor diagnosed as low temperature burns. The elderly and children are best not to use the chief dermatologist said that the general heating temperature of the baby warmer up to 60 ℃, the use of clothing to paste, it is also best not to use at night when sleeping. When the skin contact nearly 60 ℃ temperature for more than five minutes, may also cause burns, this burn is called “low temperature burns”. Older people have poor skin sensitivity, the response to pain, itch and other symptoms are slower, baby warmer improperly used, it is easy to cause “low temperature burns”. Infants and young children should not be used, because children do not speak, it is likely to burn parents are not aware of. In addition, people with diabetes and blood circulation disorders, and people with low skin heat sensitivity, should also pay attention to prevent burns when using them.