Cetacaine

Cetacaine is a topical anesthetic that contains the active ingredients benzocaine (14%), butamben (2%), and tetracaine hydrochloride (2%). Cetacaine also contains small amounts of benzalkonium chloride at 0.5% and 0.005% of cetyl dimethyl ethyl ammonium bromide all in a bland water-soluble base.[1] Although Cetacaine has been widely used in the medical and dental fields, it has yet to be officially approved by the FDA.[2][3] Cetacaine is produce... [wikipedia]