Probably not in U.S.: Most pen ink in the U.S. Is called non-toxic, because it is well known that kids put pens in their mouths. However, to be safe, one should buy pens marked non-toxic, or check the manufacturer's website. Better yet, don't put things into the mouth (except food/drink).
Answered 7/25/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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