Q: Does the spermicide nonoxyl-9 (N-9) help prevent HIV infection?

A: No. Recent scientific studies have conclusively/significantly proven nonoxyl-9 ineffective in preventing HIV transmission. In fact, it actually appears to increase your chances of becoming infected with HIV. Given the risks and the lack of any preventive benefits, the use of nonoxyl-9 is no longer recommended as a preventive measure against HIV transmission/infection.