Seirogan ingredient. That ingredient in the West may otherwise go by such names as "wood creosote", "beechwood creosote", or "liquid pitch oil", and should be distinguished from industrial "coal-tar creosote". To emphasize the distinction, wood creosote in Japan is sometimes called by such names as and minor variants thereof. The wood creosote is blended with two or more recognized in for their antiseptic and other effects, but the additional ingredients used are different among manufacturers (See under #Chemical composition for a sampling of formulas). Some quarters (perhaps kanpō medicine practitioners and others) insist however that "Seirogan is not strictly speaking kanpō
Wright's Coal Tar Soap brand, Simple Health and Beauty Ltd based in Solihull in the UK and is called Wright's Traditional Soap. Simple Health and Beauty is part of the consumer goods company Unilever UK Ltd European Union directives on cosmetics have banned the use of coal tar in non-prescription products, resulting in the removal of coal tar derivatives from the formula and replacement with tea tree oil as the main anti-bacterial ingredient. To cloak this major variance from the original recipe, the new soap has been made to approximate the look and smell of the original product. Wright's Coal Tar Soap <br> Created