system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does dipping a finger into the fizz of soda make it dissipate so much faster?
gpt
Most sodas are mostly water and sugar. The oil on your hands is non-polar, whereas water is polar.

ELI5: soda bubbles lose their surfactant potential when in contact with an anti-polar colloidal mixture.