(8) polyoxyethylene alkyl ethers such as those of the formula RO(CH2 CH2)n H and polyethylene glycol (PEG) glyceryl fatty esters, such as those of the formula R(O)OCH2 CH(OH)CH2 (OCH2 CH2)n OH, wherein n is from 1 to about 200, preferably from about 20 to about 100, and R is an alkyl having from about 8 to about 22 carbon atoms.