Boing Boing

Boing Boing

Watch mouthwash obliterate germs under a microscope

Popkin
Oct 06, 2025
∙ Paid
1
Share

bosotochka/shutterstock.com

See what happens under a microscope when an army of germs encounters a wave of mouthwash. The creator of this video uses his very own mouth germs for this experiment. Before the mouthwash is added, the germs look like they’re all swimming down a stream together.

After the Listerine massacre takes place, the germs begin lifeless…

Keep reading with a 7-day free trial

Subscribe to Boing Boing to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
Popkin's avatar
A guest post by
Popkin
Boing Boing contributor
Subscribe to Popkin
© 2025 Happy Mutants LLC
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture