不老泉
Furosen SpringOperated by · 別府市長 浜田 博
Sodium-Magnesium-Calcium Bicarbonate-Chloride spring
A municipally operated hot spring (43.3 °C) in central Beppu, classified as a simple thermal water — gentle in composition rather than mineral-heavy. The pH is weakly alkaline, giving the soft, slightly slippery feel that puts this source in the Japanese 'beauty-water' family. Total dissolved solids sit around 915 mg/kg (lightly mineralized), but metasilicic acid is unusually generous at 221 mg/kg, leaving the kind of silica film that makes skin feel noticeably smoother after bathing. Faintly yellow and clear at the source, with almost no taste or smell — an undemanding, easy-soaking water.
- Color
- faintly yellow · clear
- Taste
- nearly tasteless
- Odor
- odorless
- High silica
Analyzed Jun 30, 2014·大分県薬剤師会検査センター·Cert no. 大薬検 第 7R-26060019号