The causes of long white hair on the pubic area include albinism, malnutrition, vitiligo and so on. 1. Albinism: If the patient has congenital reduction of pigment cells, then it can trigger insufficient melanin production, thus appearing the phenomenon of long white hairs on the pubic area. 2. Malnutrition: Due to long-term malnutrition, the hair follicles are unable to produce enough melanin at this time, which leads to white hairs on the pubic area. 3. Vitiligo: when the external environment, immunity, genetic factors lead to the reduction of melanocytes, there will be the phenomenon of the pubic skin white at the same time long white hair. If the phenomenon of pubic long white hair, please go to the hospital in time to check, under the guidance of the doctor to identify the cause of the disease, symptomatic treatment.