Premeno? duo are non hormonal vaginal ovules for vaginal dryness and/ or recurrent vaginal infection. Hyaluronic acid in Premeno duo replenishes the decreased level of this natural substance, as happens during menopause and stress.Recent ?studies also show that it inhibits the growth of Candida albicans ? the most common cause of vaginal mycosis (fungal infection of the vagina).?The lactic acid/sodium lactate combination restores the vaginal-pH to the natural level of 3.8 to 4.5 and thus ensures that the risk of infection is reduced. 1 ovule daily for 10 days then twice weekly.