How to Style a Shag Haircut to Perfection Every Single Time

"Next, flip your head forward and downward and then shake the roots out with your fingers," Toth says. "Before you lift your head back up, take a deep breath and spray a generous amount of texturizer spray or dry shampoo all over."

This step, Forecast agrees, is "a must" for maintaining the volume of your shag. We love the Verb Dry Shampoo Light ($20) because it comes in options for both light and dark hair. "Spray at the root area to absorb any oil and give a second-day cool look to the hair."