Douche: Usually, a stream of water applied into the vagina for cleansing purposes. A douche can use a solution, such as vinegar and water, rather than simple water, and it can be directed at any body cavity or part. From Women's Health Resources How Much Period Pain Is Normal?Have Blocked Hair Follicles?Self-Care Tips for Facial Psoriasis Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19