Unveiling the Cashew: What Nut Has a Toxic Shell?
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4 min read
According to dermatologists, the shell of the cashew nut contains a highly caustic, oily liquid called cashew nutshell liquid (CNSL), which includes the potent irritant urushiol. This is why the question 'what nut has a toxic shell?' is answered by the common cashew, which is never sold raw and in-shell to consumers.
