For this remedy you will need just 1 ingredient and that is tea powder
  1. In a bowl take 1 glass water
  2. Add 2 spoon tea powder and boil it for few minutes
  3. Now let this water cool
  4. Spray this water all over your hair and leave for 30 minutes
  5. After 30 minutes, wash your hair with remaining water
  6. Do not shampoo your hair

 

 

Sources and References:

http://healthyremedieshouse.com/no-hair-dyecolor-required-wash-your-hair-with-this-water-and-all-white-hair-will-become-black-naturally/