Pine tar along with many other ingredients due to a lack of proof of their effectiveness. Some pine tar products contain creosote, a probable carcinogen. Creosote potentially may be produced when the pine wood is heated up to high temperatures in the creation of pine tar. Pine tar is also used in veterinary medicine as an expectorant and an antiseptic in chronic skin conditions. Pine tar Pine tar is a sticky material produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation). The wood is rapidly decomposed by applying heat and pressure in a closed
Coal tar forms: crude coal tar () or a coal tar solution () also known as liquor carbonis detergens (LCD). Named brands include Denorex, Balnetar, Psoriasin, Tegrin, T/Gel, and Neutar. When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base such as petrolatum. Coal tar was a component of the first sealed roads. In its original development by Edgar Purnell Hooley,