The Keeper, Inc . It is activated by water where it releases oxygen which provides cleaning and effective stain removal. Almost as important as the decision to use cotton pads or other natural fiber garments should be the decision of what you use to clean them. Many women have experienced the fact that on heavily stained pads detergent alone may not always work well. Chlorine bleach will break down any natural fiber, cause fading and discoloration.
Chlorine bleach can produce small amounts of dioxin which is a well known carcinogen.
Also chlorine bleach tends to cover up stains instead of totally removing them. Borax is a natural mineral often recommended as a whitening agent for cottons. While effective to some degree, Borax is not a true bleaching agent and is very limited in effectiveness on really tough stains. It is color safe, fabric safe, user safe, and is an excellent deodorizer. It is biodegradable leaving no harmful residues on the article cleaned or in the environment.