In the large public bath and open-air bath, it uses sodium sulfate hot spring which contains a lot of sulfate ion and metasilicate acid, it is popular as a skin tone of slightly squeaky skin,
Another source of alkaline simple hot springs is used for cold springs
and open-air baths in the large public bath, as a bath after the sauna,
as well as 14 kinds of medicinal herbs are blended as a medicine I will
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