The side bun is a great style for unwashed second or third-day hair.
1. Start by spraying the dry shampoo, next tie the hair to the side loosely.
2. Then, split your ponytail into two sections and twist them together until you reach the bottom.
3. Take the twisted ponytail and wrap it into a bun.
4. Fasten the bun with bobby pins, pull a few hairs out to create a messy bun, and secure with hairspray.