... Auxiliares 1) Softener: appeared in liquid, mainly used to make silk, wool, polyester and cotton fibers softer and smoother2) Dye fixative ... and printing industries for cotton, silk, polyester and knitwear to increase permeability 5) Cleaner: appeared in liquid or powder, ... mainly used in dyeing and printingfibers to clean and to increase permeability 6) Emulsion agents: liquid form, ...