Contraceptive Gel is the newest spermicide from the female contraceptive manufacturer, VCF. 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. VCF can be up to 94% effective with correct and consistent use and can be up to 99% effective when used as a backup to another birth control method. Be sure to read the instructions completely prior to use so that you can use it correctly! You do NOT need a prescription for VCF, it's sold by most retail stores in the family planning or feminine needs section.