system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 Why are there so many ingredients in mouthwash if there is only one that is active?
gpt
there's only one ingredient that kills the bacteria.   the other ingredients do other things.   like ... remove coffee stains, brighten enamel, ~~taste good~~doesn't taste like piss,  lessens the alcohol burn, pleasing color, etc etc.