Brighten colours and penetrate stains with help from Nellie's Oxygen Whitener. Discover the power of oxygen, utilizing this product to strip away dirt, grit and grime. The chlorine-free formula is perfect for every routine, proving colour-safe, septic-safe and even environmentally-friendly (its biodegradable, like the rest of Nellie's products). Every canister provides up to 32 loads of pure washing power. Nellie's Oxygen Whitener boasts hypoallergenic ingredients, including: Sodium Carbonate, Sodium Precarbonate, Primary Linear Alcohol Ethoxylate and Sodium Sulfate.