湯元温泉（犬鳴山温泉1号）
Yumoto Onsen (Inunakisan Onsen No. 1)Operated by · 犬鳴山温泉開発株式会社
黄
Sulfur
- Color
- colorless and clear
- Taste
- tasteless
- Odor
- faint hydrogen sulfide, with white suspended matter
Sodium Bicarbonate-Carbonate spring
pH 9.4AlkalineCold mineral source · 18°CSulfur-richTop-decile alkalineCold mineral
Composition fingerprint0.7 g/kg dissolved · Hypotonic
Na⁺98
HCO₃⁻58
CO₃²⁻31
◀ CationsAnions ▶
- Sodium Na⁺
- salt's cation — pairs with chloride to make the water salty.
- Bicarbonate HCO₃⁻
- "soda" — softens skin, leaves it smooth.
Known good for
- Skin conditionsatopic skin, eczema
- Circulationtired legs
- Smooth skindry, rough skin
- Sensitive-skin cautionbroken or dry skin
An alkaline simple sulfur cold-mineral spring that carries a faint rotten-egg note of hydrogen sulfide at the source, with fine white suspended matter. Its high pH gives the slippery feel of the Japanese beauty-water family, and as a cold-mineral source below 25 °C it is reheated for bathing.
Sampled at wellhead·Analyzed Jan 13, 2022·株式会社総合水研究所·Cert no. SP220004
