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Answers. Best Answer: It's fine to reuse ear plugs as long as you clean your ears each time before inserting them. You'll need to replace them occasionally, depending on how often they're used. I've found that the yellow cylindrical ones work better and stay clean longer than the standard orange ones.
I don't think it's a problem. Everyone's ears are greasy, it's a protection mechanism. I bet your earbuds fall out because they don't fit properly, not because of the oil. I can't keep earbuds in my ears either. Whatever you do, make sure you are not overcleaning your ears.