Nathans Sport Wash can be used instead of regular detergent. Restores performance. Completely removes odors.Leaves no residue to interfere with moisture control, breathability, water repellency, or insulation. Restores factory applied waterproofing DWR. Safe for the environment.Readily biodegradable and safe for the environment, Penguin Sport Wash contains no bleach, phosphate, fabric softener, brightener, or scent. UNLIKE CONVENTIONAL DETERGENTS, PENGUIN SPORT WASH RINSES COMPLETELY AND LEAVES NO RESIDUES THAT CAN REDUCE THE EFFECTIVENESS OF TECHNICAL FABRICS. It will not irritate skin. Use on nylon, microfiber, polyester, cotton, and all synthetics. Keeps technical fabrics looking working like new Restores factory applied waterproofing DWR Restores wicking maintains breathability Prevents damage done by residual chlorine Completely removes odors Removes blood and grass stains Prevents color fading Restores loft effectiveness to down synthetic insulation Readily biodegradable safe for the environment.