For the prevention of pregnancy. VCF is a translucent square of material containing the active ingredient Nonoxynol-9, a widely used highly efficient spermicide - the spermicide doctors recommend most! Placed high in the vagina as close as possible to the neck of the womb (cervix), it dissolves into a gel which exerts a powerful contraceptive effect against sperm. It is a potent spermicidal agent used successfully by millions of women. Because VCF is small and unnoticed in use, it can be used discreetly by the woman. It does not run and will not stain. It is eventually washed away with the natural body fluids. Becomes unnoticeable to either partner. You wont even know its there. Begins to dissolve instantly. No hormonal side effects. Kills sperm on contact. Sexually enhancing. Lasts up to 3 hours.