Nonoxynol-9 is the main active ingredient in spermicide. It works by helping to block the cervix and slow down sperm so they can't and fertilize an egg.
Male condom ingredients
Male condoms are thin latex or polyurethane sheaths that are worn on the penis during sex.
What Lowdown reviewers say
Benefits: What this birth control can help with
There are no benefits that are recognised in scientific research or guidelines for this birth control