Photo: John Foxx/Stockbyte/Getty Images
If your scalp is raining chunky flakes on your shoulders or leaving a trail of white dust behind you, chances are, you've got dandruff. Dandruff can be a pain to treat, not to mention set you back a few nickels if you decide to settle down with a medicated shampoo for a few months. However, good news for dairy queens: plain yogurt--not fruity-flavored or topping-laden--can help your head on the cheap. Yes, plain yogurt works on dandruff because it contains a form of bacteria called acidophilus that goes to battle on your scalp.