Comfortably Numb Oral Sex Mints Spearmint 25g. Comfortably Numb is a flavored desensitizing mint specially formulated to reduce the discomfort associated with oral sex. The refreshing mint contains a mild numbing agent that coats the back of the throat, helping to suppress gag reflex and prevent discomfort during oral sex. Features and Functions: Numbing. Country of origin United States.