He shaved his hair off to protest single-use plastic.

In the video, he said "Aloha everyone" I'm getting rid of the hair. It's done for single-use plastic. I'm tired of these plastic bottles, we need to stop plastic forks, it just goes into our land, into our ocean.

To his credit, the mega-star's long hair was part of His Whole Thing, and he shaved it off. He has a strong history of activism regarding climate change and the protection of his native Hawaiian lands.

We're not entirely convinced that the shaving-the-hair thing is all that effective.

Celebrity Activism

The buzz cut has been supported by offline activism work. It seems like the cut is more of an awareness campaign than anything else.

This type of effort is common among celebrities. Remember when celebrities used to sing to us to cure illnesses? That video was made during the Black Lives Matter protests. It is actative. We can all say whatever we want.

Gray Area

It's a double sword. If a person has a large platform, we want them to use it. Social media can turn movements into trends which can take a bit of "oomph" out of real issues.

Can the world be changed by a haircut? There are still remains to be seen. Don't use plastic water bottles and utensils if you find yourself applauding the bravery and commitment. A famous man shaves his head.

There is a video of his hair being shaved to protest.