Dyeing auxiliaries are defined as chemicals or formulated chemicals which enables a dyeing processing operations to be carried out more effectively. Dyeing auxiliaries include dye fixing agents, a cationizing agent, dispersing & levelling agents etc. They help in stabilising the dyeing bath to improve the exhaustion, achieve level dyeing and improve fastness properties. The largest amount of water is wasted during the rinsing of garments after they have been dyed. Some auxiliaries specifically aim at reducing the amount of water required during this process.