Buy isopropanol, or if you really mean no residues, arklone.

I doubt any vodka will be residue free. Are you sure about meths being
a contact poison? It certainly is by ingestion or inhalation, I was
unaware of skin absorbtion. Similarly surprised you can't get medical
wipes, there's plenty on ebay:

http://search.ebay.co.uk/search/sear...&fsop=1&fsoo=1