Hair graying : curry leaves & buttermilk

One of the Indian beauty treatments with herbs giving the best results for the problem of grey hair with curry leaf and buttermilk is as follows : 

Ingredients 

Method of preparation

Thoroughly wash a handful of curry leaves and add enough buttermilk to make a thick paste. 

Method of application

Apply the paste on the hair and rinse off after 30 minutes. This treatment should be carried out at least three times a week.