Vaginal Contraceptive Film (VCF) is a square piece of thin film that releases a spermicide. Vaginal Contraceptive Film (VCF) is a small square of clear film that turns into a spermicidal gel when put inside the body. Vaginal contraceptive film (VCF) is a super thin, hormone-free film that is inserted into the vagina where it dissolves and delivers nonoxynol-9, a chemical that. VCF is a translucent square of material containing the active ingredient Nonoxynol-9, a widely used highly efficient spermicide. Active ingredient (in each film).