There is no such thing as a “strong cure for gray hair”. There are many reasons for gray hair, such as physiological reasons, hereditary reasons or pathological reasons, for different reasons need different treatment. 1. Physiological reasons: the age of the body organs gradually failed, resulting in the synthesis of melanin in the hair is insufficient, thus causing gray hair, this is a normal physiological phenomenon, do not need special treatment. 2. Hereditary causes: If one of the parents is congenitally gray hair, due to genetic reasons, the child may also appear gray hair phenomenon. Currently there is no effective treatment for hereditary white hair, you can improve the color of the hair by dyeing, but because hereditary white hair is accompanied by lifelong, frequent dyeing is not conducive to the health of the hair and the body, so it is not recommended. 3. Pathological causes: suffering from vitiligo, may lead to the existence of white hair, for vitiligo treatment can control the progression of white hair, such as the choice of topical glucocorticoids (dexamethasone ointment), calcium-modulated neural phosphatase inhibitors (tacrolimus ointment, etc.), vitamin D3 derivatives (carbostenol ointment), and so on, and the stable period can be a hair transplant. If the gray hair is triggered by nutrient deficiencies, supplementation of the appropriate nutrients can have a better therapeutic effect; mental factors caused by gray hair, need to actively adjust the mood or psychological counseling, in order to control the progress of gray hair; other causes of gray hair should also be preferred to treat the primary disease, after the primary disease improves, the symptoms of gray hair can be controlled or relieved. If the physiological causes are excluded, you should consult a doctor in time to clarify the specific causes, and if necessary, carry out the appropriate treatment.