Nonoxynol-9, sometimes abbreviated as N-9, is a non-ionic
nonoxynol surfactant that is used as an ingredient in various cleaning and cosmetic products, but is also widely used in
contraceptives for its spermicidal properties. Although it was at one time widely promoted as a protection against
sexually transmitted infections including
HIV, subsequent studies have shown that it can in fact increase the risk of infection by damaging the physical barriers of the rectum or vagina.
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NONILFENIL 9. NONILFENIL 9 OE