25 oz Natural, He safe Powdered Laundry Detergent. Our Laundry detergent is safe to use anywhere, including high efficiency washing machines. Our detergent is fully biodegradable. For best results do not over fill tub with garments. You will want to do a medium sized load. You only need to use 3-4 oz of detergent per load. Laundry Soap ingredients Cold process soap Fragrance oil Sodium Borate (Borax) Sodium Carbonate (Washing Soda)