Not sure what you are saying.
Billions of sensible people have used Methylated Spirits .. not Methanol, for centuries without problem.
I think you are overly concerned about a non issue because of lack of understanding of the difference between Methylated Spirits, Methanol and Ethanol.
However, soap or detergent and water is a simple alternative.
As long as Coles and Woolworths et al install the hand basins next to the shopping trolleys.
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