GiGi Anesthetic Numbing Spray, 1.5oz: Gigi Anesthetic Numbing Spray is a topical analgesic spray that uses 4 percent lidocaine to gently desensitize the skin prior to waxing. Lidocaine penetrates the skin's surface, numbing the region to be waxed in minutes and reducing the pain usually associated with waxing. Approximately 1.5 fl. oz.