Biokleen Oxygen Bleach Plus color-safe formula does more than just brighten colors and whites; it contains natural fabric and water conditioners, grapefruit seed extract, and special detergent boosters that fight stains, mildew, and corrosion. • 3x More Concentrated • Brightens whites and colors • Fights stains, mildew and corrosion • Great for many household stains, including carpets • Safe for high-efficiency washer