I had no idea nonoxynol-9 was harmful. In sex ed in high school that was one of the things they told us to use to kill the sperm!!! It's a good thing I don't use it.
Novelty Products Not Safe At Any Speed
* Nonoxynol-9 removes skin. Really. Avoid any and all lube, condoms and "toy cleaner" with Nonoxynol-9. N-9 is a detergent that has been shown to cause cervical abrasions, strips away rectal lining, and only kills HIV/AIDS in clinical settings. if you're curious, look for the article, "The Nonoxynol-9 Scandal: How 'AIDS Prevention' Put Women and Gay Men at Risk by Patrick Califia" and also read, "The Scandal of Nonoxynol-9".