The Seirogan has a special smell. Some think, “This smell seems to be very effective!” Some reject this smell. In fact, the smell comes from its major ingredient, the JP wood creosote, the very ingredient that makes the Seirogan effective to relieve gastrointestinal disorders.

By cooling, liquefying, and idling smoke released from the carbonation of the beech and pine charcoal, the wood tar is obtained. Then, by repeatedly distilling and purifying the wood tar, the JP wood creosote is obtained. Based on this process, it is clear that the JP wood creosote is a medication extracted from natural resources.

The JP wood creosote extracted from raw materials from Japan with automatic production processes is the major ingredient of the Seirogan, Seirogan Toi-A produced by Taiko Pharmaceutical.

The peculiar smell of Seirogan is the best evidence that the medication is made from natural ingredients.

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