-Take some amount of white pepper.
-Add some milk to it.
-And grind it well to make a paste .
-Apply this paste on your head , leave it for 30 minutes.
-After that wash your hair thoroughly.
( OR )
Take some amount of poppy seeds and add milk to it and grind it well to make a thick paste and then add small amount of lemon juice to it and mix it well .Apply this paste on your head and leave it for 30 minutes .And then wash your hair thoroughly .
These are the effective,easy and very suitable method for dandruff free hair.