US Patent No. 9,040,472 B2; The University of New Brunswick has patented a skin cleansing system that is comprised of a non-aqueous solvent component for application to skin, comprising a non-water miscible biodegradable solvent, the solvent comprising an alkyl ester derived from a natural source, the alkyl ester at a concentration of about 100 weight percent of the solvent component; and, a solvent remover. The solvent component and the solvent remover are not combined prior to use....