1. A composition for dyeing keratinous fibers, in particular human keratinous fibers, comprising: - at least one oxidation dye, - at least one nonionic polyoxyalkylated fatty alcohol ether of formula (i) R- (OCHCH) -OR , for which R represents a linear or branched, saturated or unsaturated radical based on C-Cuglevodoroda, R represents a linear or branched, saturated or unsaturated radical based on C-Cuglevodoroda which may be substituted by a hydroxyl radical, the said rod roksilny radical is preferably in the beta-position to the ester group, and n is an integer ranging from 1 to 100, - at least one compound selected from fatty alcohols containing at least 20 carbon atoms, fatty acid esters, wherein said esters are solids at room temperature and atmospheric pressure, and mixtures thereof - at least one chemical oxidizing agent, - at least one chemical oxidizing agent.2. Composition according to claim. 1, characterized in that the nonionic ester polyoxyalkylated fatty alcohol is such that the radicals R and R , independently of one another are linear or branched, preferably linear, saturated or unsaturated, preferably saturated, C-Ci, preferably C -Cradikal hydrocarbon-based wherein R may be substituted by at least one gidroksilnymradikalom, and n is an integer greater than or equal to 20, for example in the range from 20 to 100 and preferably from 40 to 80.3. Composition according to claim. 2, characterized in that the nonionic polyoxyalkylated ether THICK1. Композиция для окрашивания кератиновых волокон, в частности человеческих кератиновых волокон, содержащая:- по меньшей мере один окислительный краситель- по меньшей мере один неионный эфир полиоксиалкилированного жирного спирта формулы (i) R-(OCH2CH2)n-OR, для которого R обозначает линейный или разветвленный, насыщенный или ненасыщенный радикал на основе C10-C30 углеводорода, R обозначает линейный или разветвленный, насыщенный или ненасыщенный радикал на основе C10-C30 углеводорода, который может быть замещен г
