pH-D Instant Vaginal Odor Rinse is for feminine odor which can be caused by intimacy or exercise. It can be used with pH-D Boric Acid Vaginal Suppositories and pH-D Holistic Feminine Deodorant Spray as a complete system. The rinse contains only purified water and boric acid, a compound found in seawater. Each bottle is a one-time use that is an instant option for vaginal odor if you do not want to wait the 4-12 hours it takes for a suppository to dissolve Vegan.