Brighten colours and penetrate stains with help from Nellie s Oxygen Brightener. Discover the power of oxygen utilizing this product to strip away dirt grit and grime. The chlorine-free formula is colour-safe septic-safe and even environmentally-friendly (it?s biodegradable like the rest of Nellie s products). Nellie s Oxygen Brightener boasts hypoallergenic ingredients including: Sodium Carbonate Sodium Precarbonate Primary Linear Alcohol Ethoxylate and Sodium Sulfate. Nellie s Oxygen Brightener is Non-toxic phosphate free and contains NO SLS SLES Gluten or GMO s. Not for use on wool silk or leather.