To help clear ear obstructions such as wax or minor buildup, some people use warmed olive or mustard oil as ear drops.
The oil should never be warmer than body temperature. Place two to three drops in the affected ear to help soften wax, making it easier to remove from the outer ear. Avoid inserting anything into the ear canal, including cotton swabs.
Although there is limited scientific evidence, the American Academy of Pediatrics notes that this approach is unlikely to be harmful when used carefully. Do not use this method if you have ear tubes or a suspected eardrum tear.

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