The other answer posits:
It may just be that 'hair' and 'nail' are included in this brief list to highlight that these are valid and common options for body parts.
I find this interpretation to be wishful thinking. The usual English phrasing, if the intent was to call out specific body parts in a list that also includes body parts, would be something like &...
Yes, it triggers the penalty of the wish spell
I think just the fact that the disintegrate spell description says:
A disintegrated creature and everything it is wearing and carrying,
except magic items, are reduced to a pile of fine gray dust. The
creature can be restored to life only by means of a true resurrection
or a wish spell.
That does not mean it ...