Are you looking for a unique solution to normalize your pH during your period? Are you struggling with BV or yeast on a monthly basis around the time of your cycle? If so, then this product was created for you! These tampons help to decrease vaginal pH at a time where blood (pH of 7) throws off your balance. Just use one (1) pH control tampon every 4-6 hours for 1-2 days. Then follow that by using one (1) probiotic tampon every 4-6 hours for 1-2 days. The kit comes with 6 pH control tampons and 3 probiotic tampons which should last 2-3 days. Best if used towards the end of your cycle. Use only one (1) tampon at a time. Not intended for pH control outside of the menstrual cycle. *Statements not evaluated by the FDA. Results may vary.