Whether eating black sesame can turn gray hair into black hair needs to be judged according to the cause of the gray hair. If the gray hair is caused by malnutrition and stress, the gray hair may turn black with moderate consumption of black sesame, together with psychological regulation and sufficient rest. However, if the gray hair is caused by disease, genetics, age and other factors, the effect of eating black sesame is generally not obvious, it is difficult to make the gray hair black. Chinese medicine believes that black sesame and black food can enter the kidney, for premature gray hair, hair loss, limb weakness, etc. has a certain alleviating effect, hair and liver, kidney is closely related, kidney deficiency can cause gray hair or hair loss, long-term adherence to eat black sesame can play a role in hair care, kidney essence may be sufficient to make gray hair black. In addition, from a nutritional point of view, black sesame seeds hair care is based on science, black sesame seeds contain a lot of protein, linoleic acid, minerals and vitamins, these nutrients are beneficial to hair health, for nutritional deficiencies caused by gray hair, eating black sesame seeds in moderation may make it white. If the gray hair is caused by genetics, hyperthyroidism, anemia, etc., eating black sesame seeds alone will not improve the hair, so it is recommended to consult a doctor for treatment of the original disease. Keep your mood relaxed, avoid excessive mental tension, ban smoking and alcohol, eat foods rich in vitamins and minerals, and strengthen your exercise.