Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Benzocaine is a fat soluble surface anaesthetic. Compared with several other local anesthetics such as lidocaine, tetracaine, etc., the strength of effect is small. Owing to its playing role in mucosal, people feel comfort. Benzocaine is a fat soluble and strong drug, therefore it is easy to combine with the lipid layer of the mucosa or skin, but not easily go through the human body to produce toxic.