The internet is a powerful tool with vast knowledge at our fingertips. It helps solve mysteries quickly, debunks myths, and shares practical advice widely. For example, many women have wondered why their underwear sometimes appears to have bleach stains. Online research reveals that these stains are not due to washing machines but to the natural pH levels of the vagina.

According to reports, the acidic nature of the vagina, with a pH range of 3.8-4.5, can cause lighter patches on underwear. “It’s completely normal to discover lighter patches in a woman’s underwear due to the acidic nature of the vagina,” one tweet explains. This is a sign of a healthy vagina, not poor hygiene.

Dr. Vanessa MacKay from the Royal College of Obstetricians and Gynecologists confirms that the vagina’s natural secretory system cleans itself and is protected by beneficial bacteria. “Disturbing the natural balance can lead to infections, but it’s perfectly normal and healthy for women to have clear or white discharge from their vagina,” she states. The National Institutes of Health notes that the vaginal pH typically ranges from 3.8 to 5.0, which is more acidic than the neutral pH level of 7.