Shin Awanoyu Gensen
Analysis UnverifiedShin Awanoyu Gensen rises in Shirahone Onsen, a mountain spa village in the Northern Alps known for its milky waters. Clear at the moment it emerges, the water turns pale blue-white as it meets the air, with white mineral flakes drifting through it. At about 36°C, close to body temperature, carbon dioxide gathers on the skin as fine bubbles amid a faint sulfur scent, suiting bathers who prefer to linger for hours rather than hurry through a hot soak.
The bar length shows how abundant each component is compared to thresholds that make it "distinctive" (therapeutic spring standards, beauty spring criteria, etc.).
The aroma typical of sulfur springs, with circulatory and antibacterial effects.
Absorbed through the skin to gently promote peripheral circulation.
A trace component with gentle antibacterial and anti-inflammatory action.
Scores are calculated from mineral analysis data based on the Mineral Spring Analysis Guidelines (Ministry of Environment, Japan). They are unrelated to facility atmosphere or service quality.
▸Note
The temperature, pH and component values shown here are based on the hot spring analysis (source). Actual values in the bath may differ depending on heating, dilution, recycling and filtration. Please check current usage status at the facility.
At 36.0°C, close to body temperature, the water rewards stillness: sit quietly and bubbles gather on the skin for a long, easy soak. In cold seasons, alternate with a heated bath, and mind ventilation near the spout where the sulfur scent can intensify.
With 740.5 mg/kg of bicarbonate, the water is traditionally said to soften the skin's outer layer, leaving it silky skin smooth after bathing. Its 4.7 mg/kg of hydrogen sulfide reflects a sulfur character long associated with healthy skin, and it may support immune system stimulation.
As the water contains hydrogen sulfide, avoid inhaling too much vapor in poorly ventilated spaces. The lukewarm water invites long soaks, so drink water regularly and keep it out of your eyes.
※ See the analysis data below for detailed contraindications
ANALYSIS DATAView all analysis fields ▼
Source Info
- Source name
- Shin Awanoyu Gensen
- Spring type
- Sulfur-containing Calcium-Magnesium Bicarbonate Hot Spring (hydrogen sulfide type)
- Source temperature
- 36℃
- pH
- 6.5
- Flow type
- 掘削自噴
- Osmotic pressure
- 低張性
Analysis Document
- Analysis date
- 2015-08-18
- Analyst organization
- 一般社団法人 長野県薬剤師会
- Registration No.
- 長野県第2号
Cations
- Lithium ion Li⁺
- 0.30 mg/kg
- Sodium ion Na⁺
- 44.3 mg/kg
- Potassium ion K⁺
- 14.3 mg/kg
- Ammonium ion NH₄⁺
- 1.6 mg/kg
- Magnesium ion Mg²⁺
- 38.0 mg/kg
- Calcium ion Ca²⁺
- 170 mg/kg
- Manganese ion Mn²⁺
- 0.30 mg/kg
- Lead ion Pb²⁺
- < 0.01 mg/kg
- Strontium ion Sr²⁺
- 0.20 mg/kg
- Barium ion Ba²⁺
- 0.40 mg/kg
- Cadmium ion Cd²⁺
- < 0.005 mg/kg
- Total cations
- 0.27 mg/kg
Anions
- Fluoride ion F⁻
- 0.30 mg/kg
- Chloride ion Cl⁻
- 47.2 mg/kg
- Hydrogen sulfide ion HS⁻
- 1.3 mg/kg
- Thiosulfate ion S₂O₃²⁻
- 0.30 mg/kg
- Sulfate ion SO₄²⁻
- 12.3 mg/kg
- Bicarbonate ion HCO₃⁻
- 741 mg/kg
- Bromide ion Br⁻
- 0.10 mg/kg
- Total anions
- 0.80 mg/kg
Undissociated Components
- Metasilicic acid H₂SiO₃
- 32.8 mg/kg
- Metaboric acid HBO₂
- 4.0 mg/kg
- Total undissociated
- 0.04 mg/kg
Dissolved Gas
- Free carbon dioxide CO₂
- 300 mg/kg
- Free hydrogen sulfide H₂S
- 4.7 mg/kg
- Total dissolved gas
- 0.30 mg/kg
Totals
- Total dissolved substances
- 1.1 mg/kg
- Component total
- 1.4 mg/kg
- Evaporation residue
- 0.71 mg/kg
Usage
- Heating
- No
- Dilution
- No
- Recycle / Filter
- No
- Additives
- No
- Disinfection
- No
Indications & Contraindications
- Bathing indications
- Atopic dermatitis, Plaque psoriasis, Chronic eczema, Epidermal suppuration, Cuts and grazes, Peripheral circulatory failure, Poor circulation, Xeroderma
- General indications
- High blood pressure (mild), Rheumatoid arthritis, Autonomic instability, Insomnia, Depression, Chronic pain or stiffness in muscles and joints, Muscle stiffness due to motor paralysis, Gastrointestinal dysfunction
- Contraindications
- Acute illness (especially with fever), Active tuberculosis, Malignant tumors, Severe heart disease, Respiratory failure, Renal failure, Bleeding disorders, Severe anemia, Any actively progressing illness, Pregnancy (especially early and late stages), Severe chronic dermatitis (sulphur springs)
Drinking
- Drinkability
- Not drinkable
