Women with white hair on both sides of the outer lips may be physiological reasons, but also may be vitiligo, vulvar leukoplakia and other diseases. 1. Physiological factors: Due to ageing, the body’s melanin will gradually decrease, and the phenomenon of hair slowly turning white will occur, and the pubic hair of the pubic area will also turn white. 2. Vitiligo: it is an acquired pigment loss skin disease, mainly manifested as localized white spots and hair whitening and other symptoms. 3. Vulvar leukoplakia: a vulvar hypopigmentation disease, the specific cause is unknown, can appear vulvar leukoplakia, accompanied by intense itching, some may be accompanied by hair whitening. You can go to the hospital to get a clear diagnosis and then follow the doctor’s instructions for treatment.