Vagisil Feminine Wash pH Balance is specially formulated with LactoPrebiotic to help support a Healthy pH Balance. Monthly periods, menopause, sex and even some daily cleansers can disrupt a woman’s natural vaginal balance. Having a balanced pH is an important step towards good feminine Health. The pH range of Vagisil Feminine Wash pH Balance is between 4.5 and 5.5, which is compatible with the vulvar region. It aids in minimizing stinging sensations and concurrently works in harmony with your body to support the natural environment for Healthy Skin bacteria with LactoPrebiotic Part of LactoPrebiotic is chemically known as lactic acid. Lactic acid is added in the formula to match the pH range of the vulvar area. It is found naturally in the vulvovaginal area and promotes the growth of good bacteria known as lactobacillus, which is present in the vagina and on the Skin of the vulva. Lactobacillus also produces lactic acid that help maintain a Healthy vulvar environment. In addition, it also produces other metabolic compounds that help to reduce the growth or kill potentially pathogenic bacteria. Another part of LactoPrebiotic is prebiotic. A prebiotic is a kind of food or nutrient source for good bacteria. Vagisil Feminine Wash pH Balance contains the prebiotic known as lactitol which provides nourishment for the good bacteria lactobacillus that is naturally present in the vagina. These bacteria can help to prevent the overgrowth of bad bacteria and promote a Healthy environment while reducing the risk of infection and discomfort.