The dyed cotton fabrics after dyeing are usually treated with different auxiliaries to impart desirable properties according to their commercial uses in industries. An attempt has been made to improve the wash fastness and colour properties of eleven non-benzidine direct dyes   based on 4,4'-diaminostilbene-2,2'-disulphonic acid. The effectiveness of three fixing agents   used was   determined by comparing the properties of treated and untreated dyed substrate. All  the three fixing agents showed beneficial effects on these properties as assessed by ISO  CO 5  wash fastness and on the colour properties like tristimulus values, CIE L*a*b* co-ordinates,  chromaticity co-ordinates and  Munsell  values.  Use   of these fixing agents improved the wash fastness of these dyes on cotton as well as the brightness and strength of the colour in a similar pattern.