### Apple Cider Vinegar and Teeth Whitening Apple cider vinegar (ACV) is often touted as a natural remedy for whitening teeth. However, while it can have some bleaching effects, it also poses risks to your dental health. ACV contains acetic acid, which can erode tooth enamel, the protective outer layer of your teeth. This erosion can lead to increased tooth sensitivity and a higher risk of cavities and tooth decay. Studies have shown that prolonged exposure to acidic substances like ACV can result in significant mineral loss from tooth enamel. For example, a 2014 lab study found that soaking tooth enamel in vinegar for just four hours led to a 1 to 20 percent loss of minerals. Another study from 2012 linked daily consumption of ACV to severe tooth erosion in a young woman. While ACV can whiten teeth, it is essential to consider the potential damage it can cause. The acid in undiluted ACV is strong enough to weaken enamel, and once enamel is lost, it cannot be regenerated by the body. Therefore, if you are considering using ACV for teeth whitening, it is crucial to consult your dentist first. They can provide guidance on safe practices and alternative methods for achieving a brighter smile without compromising your dental health. In addition to its effects on teeth, ACV may interact with certain medications, so it's always best to seek professional advice before incorporating it into your health routine.