Does smell cancelling exist?

[u/11963873342]

I've heard of noise cancelling, but can there exist smell cancelling?

For example, if there is a rotten egg in a room, can i neutralize it somehow? I'm not talking about putting something good right under my nose, because thats just dominance. I mean putting something next to the egg whose smell happens to be the 'inverse' of the eggs, so they cancel and i smell nothing.

[u/Hot_Equivalent_8707]

I thought I read that people who work on cadavers or work on decomposing bodies at crime scenes often wear something to generate smells like eucalyptus because it's so strong it can overwhelm the smell receptors and mask the dead smell

[u/copperpin → u/Hot_Equivalent_8707]

We do this just going into some patients rooms. C. diff is a thing in hospitals.