For Vaginal Hygiene Not Tested on Animals Tea Tree Therapy Suppositories are a natural way to provide vaginal hygiene. It allows the body's natural defenses to regain control when the system has become unbalanced. Tea Tree Therapy Suppositories are a natural way to provide vaginal hygiene. Tea tree oil is a natural antiseptic. It is also known for helping with yeast infections, which are common in the area of your genitals. Tea tree therapy suppositories are an extract of tea tree oil in a vegetable base. Tea tree oil is obtained by steam distillation of tea tree (Melaleuca alternifolia) leaves. Tea tree oil has antifungal properties so the suppositories are a natural alternative to vaginal yeast infections. Vaginal suppositories containing tea tree oil have been shown to treat vaginal fungal infections. Some women report relief from adding diluted tea tree oil to a tampon and inserting this into the vagina overnight. Use one suppository daily for 6 consecutive days to control minor irritations. Suppositories may be used morning and night for up to 28 days in severe cases. For maximum effect, douche using 1 part tea tree oil to 7 parts water prior to inserting suppository. May be repeated every other day for 8 days.