【Best Slot Games with Cash Prizes India】What is the function of adding table salt and white vinegar? What is the function of drinking light salt water and adding white vinegar? Condition analysis: Hello, as far as I know, its function is to clean the stomach and bowels, protect the mouth, prevent bacteria, and prevent colds. Thank you. Can salt and white vinegar be used for whitening? Salt and white vinegar can be used for whitening. This mainly has the effect of shrinking pores and sterilizing, so it is good for the skin.