an apparatus and method for applying textile treatment finishing agents to garments or garment work pieces is provided . the apparatus includes a rotating drum and a nozzle for generating a fine mist or fog of textile treatment agents inside the rotating drum . the apparatus can be constructed as a dedicated processing machine , or a conventional , industrial washer or dryer can be fitted with an appropriate nozzle and feed lines to provide a dual purpose machine which can be used for its originally intended purpose , and can be selectively used for applying textile treatment agents . uniform coverage of the surface of the garment is assured by tumbling the garments through the fog created by the nozzle means . by controlling the size of the droplets , and the time during which mist or fog is generated , the amount of chemical agent absorbed by the garments can be controlled . the use of the finely divided , air dispersed liquid agent avoids wasted processing chemicals and permits the use of more concentrated chemical agents .