Stain removing salts (sodium percarbonate).
Sodium percarbonate becomes active at 40° Celsius (104° Fahrenheit) and enhances the action of soapnuts without altering fabrics or colors. Or mix our stain removing salts in hot/warm water at 40° Celsius (104° Fahrenheit) or above to pre-soak laundry before throwing into the washer. Sodium percarbonate is a non-polluting cleaning agent free of chlorine and phosphates. Removes stains, whitens, disinfects, and deodorizes laundry by breaking down in your wash water into sodium carbonate, water, and oxygen. Ingredients: 100% sodium percarbonate.