and (b) HOR2 SiO(Me2 SiO)x (RR1 SiO)y SiR2 OH; (B) 0.1 to 90 weight percent of a cyclic aminofunctional siloxane having the average formula: ##STR22## (C) 0.1 to 10 weight percent of a compound having the average formula: ##STR23## wherein Me denotes methyl, R is independently a monovalent hydrocarbon radical having from 1 to 6 carbon atoms or an aryl radical, R1 is a group having its formula sel