VCF - Vaginal Contraceptive Gel Pre-Filled Applicators pre-filled applicators are single use applicators pre-filled with a gel substance containing a safe and effective spermicide. With VCF Vaginal Contraceptive Gel applicators, you are in control of your body and protecting yourself against unwanted pregnancy. Enjoy intimacy more with the knowledge that you have protected yourself from getting pregnant. VCF Gel can be used with a diaphragm, a condom, or alone to prevent pregnancy. VCF Gel is safe and effective and contains the spermicide that doctors recommend most.