Here in the UK, we have used 'meths' (methylated spirit) for cleaning wounds for decades. Older folk like me will remember the bottle of purple liquid, which stung briefly when applied to scratches and grazes, but sterilised the wound. Ethanol, with methanol added to make it undrinkable (i.e., unsafe to drink), plus the intensely bitter additive (so, unpleasant to drink). So I don't think that applying to the skin presents a problem.
Bill
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