The best thing to do for this is just wash your hair every 2 days. Some people just have naturally oily hair and I am one of them. But washing your hair does make a difference and using shampoo and conditioner made for people with oily hair. This works.
Okay, let's admit it, we all get oily hair sometimes. Here's how you save your hair when it's oily.
When showering, pour 3 cups of mouth wash onto your hair. (Remember to keep your eyes and mouth shut) After, wash thoroughly with shampoo then condition.
Blow dry hair