There is no “fastest” way to treat yellowing hair. Hair yellowing is generally related to diet, radiation, hair damage, you can adjust the diet, change the environment, repair hair conditioning. 1. Adjust the diet: usually less nutritional intake, dietary structure is not balanced will cause yellow hair, hair quality deterioration, so to adjust the diet, appropriate consumption of eggs, lean meat, walnuts, black sesame, black fungus and other foods. 2. Changing the environment: If you are engaged in long-term radiation stimulation of work, such as computers, imaging examinations and other equipment office area, will be due to radiation caused by melanin and melanocyte production disorders, resulting in yellow hair, so try to minimize the exposure to radiation environment. 3. Repair hair: often permed and dyed hair will cause hair damage, nutrient loss, if you use alkaline water or washing powder and other non-shampoo detergents to wash hair, will cause hair damage, should be avoided or reduced permed and dyed hair, with nourishing hair care shampoo and hair care milk. The appearance of yellow hair, if necessary, timely consultation, specific can consult a professional physician’s opinion.