Biz works better! with more stain fighting ingredients than other brands, including detergents, peroxide, whitening agents and a unique blend of enzymes, Biz powder is sure to tackle all of your toughest stains. Biz works great on stains including grass, sweat, food grease, dirt, coffee, and more. Whether you use as a pre-treat, pre-soak or add it to every load, Biz will boost the power of your laundry detergent by up to 80 percent. Biz has been trusted for more than 40 years for laundry stains and odors. Gender: unisex.