Designed to facilitate subgingival application (benzocaine 14.0 %, Butamben 2.0 %,Tetracaine Hydrochloride 2.0 %). Onset of anesthesia is rapid (approximately 30 seconds) and duration is typically 30-60 minutes,when used as directed. The three-active ingredient formula in Cetacaine Topical Anesthetic Liquid is well-suited for scaling and root planing, providing patients with effective non-injectable, cost-effective anesthesia. Cetacaine Liquid is a prescription topical anesthetic for the production of anesthesia of all accessible mucous membrane except the eyes. Pleasant artificial banana flavor. Contains: 1 -56gm bottle of Cetacaine Spray.