Onion may burn your eyes but you can use the paste to treat white hair. All you would need to do rub it on your scalp and let it dry some. Your grey/white hair will turn black in few days. However use this remedy on a daily basis to get desired results.If you do it once in a week, you will see no progress. Make sure that you do it everyday! You would need to peel off the onion skin and grind the onions. Apply the paste on your scalp and let it be for a while. Wash it off after 30 minutes or so. You can shampoo your hair too because onion leaves an unpleasant smell
