The 40s may be overworked, nervous and other physiological factors, but also may be vitiligo, albino disease and other pathological factors.
1. physiological factors: with age, the human body will gradually appear aging phenomenon, hair follicle melanocyte function gradually decline, can appear more than 40 years old hair white situation. Secondly, if the human body does not get enough sleep, resulting in excessive physical exertion, or long-term mental tension, stress, so that the melanocyte function of the hair follicle is incomplete, may also appear in the 40s hair white situation.
2. Pathological factors:
(1) vitiligo: vitiligo is not yet clear cause, may be related to autoimmune diseases, genetic, neurochemicals and other factors. Patients mainly manifested as skin pigmentation loss patches, which can appear alone or widely distributed. Vitiligo on the head and face may cause hair to turn white.
(2) albinism: albinism is mainly related to heredity, which is caused by gene mutation leading to defective melanin synthesis. Patients mainly show hypopigmentation or loss of pigmentation in the eyes, skin and hair, and sensitivity to ultraviolet rays, as well as nystagmus, photophobia and low vision. If you have albinism, you may experience hair graying.
There are more reasons for hair graying in 40s, after excluding physiological factors, it is recommended to go to regular hospitals for a clear diagnosis and standardized treatment under the guidance of doctors.