Cytrel

Cytrel is a cellulose-based tobacco substitute used in some low-tar cigarette brands. It formerly constituted 25% of Silk Cut cigarettes and was assessed In the United Kingdom by the Independent Scientific Committee on Smoking and Health (ISCSH) and cleared for marketing in April 1977. On 1 July 1977, Rothmans launched cigarettes containing Cytrel under the brand name Peer.