Absorption.: Putting anything inside the nares will cause absorption of the substance, and in the case of anything menthol, it's toxic. Most products designed to be ingested use a very dilute form of it, but this site discusses some of the reasons why certain forms should not be ingested. The ointment form is pretty concentrated.
Answered 10/12/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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