Steps to prepare this shampoo:
- Take 2 tbsp fenugreek seeds in a bowl
 - Add 1/2 cup dry amla
 - Add 1/2 cup dry shikakai
 - Add 8-10 reeths in this
 - Add 3-4 cups of water
 - Leave it overnight
 - Next morning put this water on flame, boil it well for 5 minutes
 - Turn off the flame and let it cool
 - Filter this water and your shampoo is ready
 - Use this in spray bottle
 - Spray it all over your scalp and along hair
 - Massage your scalp for few minutes
 - Cover your hair for 20 minutes
 - Wash them with plain water
 
source:healthylifegreen