What Is Douching? The word ''douche'' is French for ''wash'' or ''soak.'' It is a method to wash out the vagina, usually with a mixture of water and vinegar. Douching is the practice of washing or flushing the vagina with water or other fluids. It is not necessary, safe, or effective for hygiene, contraception, or infection prevention. Learn about the risks, alternatives, and when to see a doctor for vaginal problems. What Is a Douche and Is Douching Safe? Vaginal douching is washing the vagina to eliminate odors and “clean” it. Common ingredients used with water include vinegar, baking soda, iodine,... A look at douches, devices used to wash the inside of the body – primarily the vagina. Included is detail on whether it is necessary and alternatives.