ASPIRIN
Many shampoos available in market, specifically made to deal with dandruff contain salicylic acid which is the main ingredient known to fight with dandruff. Aspirin also contains the same active ingredient; therefore aspirin can be one option to fight with dandruff.
You can keep the flaking under control by using aspirin powder. Crush two aspirin tablets to make fine powder. Add this powder to the shampoo you are using every time you rinse your hair. In order to let it do its work, leave the mixture on head for a few minutes. To remove the smell and traces of aspirin powder, wash again with normal shampoo, this is a great natural home remedy for dandruff.