Abstract: A process is provided for the wet processing of textile materials, which comprises applying to the textile material an aqueous textile-treating liquor containing a textile-treating component in an amount sufficient to provide a desired effect on the textile material, and further containing in an amount sufficient to provide foam control properties a foam control agent of the formula: ##STR1## where y is O or 1; m and n are both independently selected from integers of from 0 to about 30 with the proviso that the sum of y+m+n must be at least 1; a and b are independently selected from integers of from 1 to about 7; R is an aliphatic group containing from 1 to about 40 carbon atoms; R.sub.1 is an alkyl group having from 1 to about 16 carbon atoms, an alkoxy group having 1 to about 7 carbon atoms or an alkoxyalkyl group having from about 3 to about 8 carbon atoms; and Z is hydrogen, halogen, phosphate or phosphite. Also provided is a textile treating liquor which may be employed in the process.