Get brighter, cleaner laundry without the laundry list of bad chemicals. Nature Clean Oxygen Liquid Bleach is chlorine-free and formulated from hydrogen peroxide, one of the most environmentally safe chemicals on the market. It works by releasing oxygen to perform the bleaching process and converts itself into simple H²O once the process is complete. This product is not tested on animals. 100% natural ingredients, from plants and minerals. Colour Safe. Fragrance-Free. Not Tested on Animals and Vegan. Septic Tank and Grey Water Safe.