Although such an alcohol is, of course, organic in nature, and is preferably an alkylalcohol, its concentration of only from about 1% to about 9% is to be contrasted to organic-solvent-based printing ink compositions of the prior art which normally contained organic solvents such as methyl ethyl ketone, methyl isobutyl ketone, xylol, toluol, etc., in concentrations of from about 45% to about 70% b