Relactagel Lactate Vaginal Gel ~ Treats & Prevents Bacterial Vaginosis. Relactagel is a Bacterial Vaginosis Treatment. The lactic acid gel that is clinically proven to treat and prevent Bacterial Vaginosis (BV). Giving relief from abnormal vaginal odour and discharge associated with BV.. Relactagel provides relief from embarrassing vaginal odour.. Relieves abnormal discharge.. Restores the natural pH of the vagina.. Can be used to prevent BV as well as treating it.. Hygienic single use applicators are used to apply the gel where it is needed.