The functions are: 1. Sterilization, 2. Itching, 3. Preventing and alleviating skin diseases. Using white vinegar to bathe dogs can have the effect of cleaning the hair, but it is not recommended to use white vinegar to bathe dogs frequently because White vinegar is acidic and can dry out your dog's skin. In addition, white vinegar has a strong smell, and dogs with sensitive noses may easily cause discomfort to their noses during use.