Desensitizing creams were manufactured to be used as a topical numbing agent. Uses for desensitizing cream can be for anything from numbing the anus for anal sex or numbing the penis for delayed ejaculation. Common Ingredients in desensitizing creams is Benzocaine.

Benzocaine is a topical anesthetic, found in over-the-counter toothache remedies, as well as in products specifically designed as sexual enhancers.

Canadian products containing benzocaine must be labeled with information warning consumers of potential health risks, including benzocaine’s link with a rare but potentially fatal blood condition called methemoglobinemia. While the FDA doesn’t require a warning, the agency continues to monitor benzocaine usage carefully.