Nikwax Tech Wash prolongs the life of gear and optimises outdoor performance but maintains breathability and original water-repellency. This is easy to apply - can be used in a washing machine, is suitable for use on all fabrics, including technical textiles, lifts out dirt that can attract water and hinder water repellent finishes, unlike detergents, it does not leave behind water attractive residues which encourage wetting-out , it removes detergent residues left behind by previous washes, is water based - environmentally friendly, biodegradable, non flammable, non hazardous