Water soluble liquid dispersing and emulsifying, wetting and leveling agent for dyeing of Polyester, Polyamide, Acetate and other blends with the use of disperse, metal complex, vat, pigments and sulphur dyes. It is also regularly used in the latter wet treatment stages in reduction clearning, soaping-off unfixed dyes. Addition of EVENDYE OB 250 can enhance even migration of dyes during dyeing.