oup consisting of hydrogen, --CH2 CH2 OH and ##STR22## (b) PEG esters of the formula ##STR23## wherein R2 is a fatty alkyl having from about 2 to about 25 carbon atoms, R3 is a fatty alkyl having from about 2 to about 25 carbon atoms or hydrogen and m is a number from 1 to about 100, (c) silicone surfactants of the formula ##STR24## wherein x is a number from 0 to about 5, y is a number from 1 to