system
Given the following post, respond as if you're commenting on Reddit:
human
eli5 - Why do cream infused liquors like baileys and kahlúa not require refrigeration and have such a long shelf life?
gpt
Alcohol is a natural preservative. The more alcohol is in something, the harder it is for anything else to grow in it. (In fact, this is why stronger drinks have to be distilled - there's only so much concentration of alcohol that fermenting yeast can live in, before it kills itself)