This highly concentrated, superior stain-fighting powder contains biodegradable surfactants and is free from phosphates and fillers. Designed for both high-efficiency (HE) and conventional washing machines, this formula gets your whites even whiter, your brights even brighter and dissolves grease and grime. Safe on all fabrics, including hand-washables and Norwex Microfiber. *Stubborn stains and odors in microfiber and other laundry can be extremely hard to remove, especially in hard water. Our enzyme-based Microfiber Cleaner Laundry Booster restores dingy, smelly laundry to bright, clean and fresh, without harmful chemicals from bleach, ammonia or synthetic fragrances.