Jason Momoa has a new look and a call to action. The 43-year-old actor chopped off his signature long locks over the weekend in favor of a dramatic new buzz cut, sharing the moment on Instagram.

Jason Momoa cut his signature long hair to raise awareness for a good cause. See his buzzed head after his new haircut.

Momoa also shows off his cut braids and explains that he cut his hair to bring awareness to single-use plastics. “I’m tired of using plastic bottles, we gotta stop,” he says in the video.

Jason Momoa, 43, buzzed off his signature long hair for a good cause yesterday, sharing a video on Instagram of his new, shorter ‘do and calling attention to the issue of plastic pollution.

When Jason Momoa cut his hair between seasons of Stargate Atlantis, the hair stylists were suddenly tasked with recreating Ronon Dex's famous look.

Jason Momoa shaved his his trademark long, flowing hair to raise awareness for eliminating single-use plastics.

Jason Momoa's shaved head was a total shock, but it's not the only hair transformation he's had over the years. See pics of the 'Aquaman' star with dreadlocks, short hair, and more.

Jason Momoa is known for rocking long locks, but he’s switching things up for a good cause. See the Game of Thrones alum cut his hair in the video below.

Jason Momoa has a new look and a call to action. The 43-year-old actor chopped off his signature long locks over the weekend in favor of a dramatic new buzz cut, sharing the moment on Instagram.