Jason Momoa cares about single-use plastics – so much that he shaved his head

Jason Momoa shaved his head to spread the message on single-use plastics. Photo: AP

Pour one out for Jason Momoa's hair, but make sure you use a reusable cup.

The Aquaman star shaved his head Monday (Sept 5) on Instagram to spread the message about cutting single-use plastics "out of our lives and out of our seas."