Kawamoto Bettei Garden Gensen
Analysis UnverifiedIn the renowned Yufuin Onsen, nestled at the foot of Mt. Yufu, the "Kawamoto Bettei Garden Gensen" is drawn from 150 meters underground. This source was developed exclusively for a private lodging, born to provide a serene bathing experience enveloped by Yufuin's tranquil nature. The weakly alkaline water gently embraces the skin, leaving it feeling smooth after bathing. It is a special, healing spring perfect for days when you want to escape the hustle and bustle and cherish time for yourself.
The bar length shows how abundant each component is compared to thresholds that make it "distinctive" (therapeutic spring standards, beauty spring criteria, etc.).
A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.
A trace component with gentle antibacterial and anti-inflammatory action.
- Metasilicic acid189 mg/kg
- Feel
- Your skin may feel smoother.
- Said to
- 50 mg/kg or more is said to mark a “skin-beautifying spring”; it is also used in skincare.
- Note
- The “skin-beautifying” label is a common rule of thumb, not a legal standard.
- Source temperature51℃
- Feel
- The source is 42°C or hotter; the bath may be on the hot side.
- Said to
- Heat is said to boost circulation and warm the body.
- Note
- Older people and those with high blood pressure or heart conditions should avoid baths of 42°C or more. Keep soaks short.
Effects are general descriptions based on the Ministry of the Environment’s indications by spring type, not a guarantee.
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.
With a high temperature of 51.0°C, it's best to avoid long soaks. Take breaks and bathe until you feel a light sweat on your forehead. The gentle, weakly alkaline quality is mild on the skin, but be sure to rehydrate well after your bath. The high metasilicic acid content is expected to help moisturize the skin.
The weakly alkaline water, with a pH of 8.2, is expected to gently exfoliate old skin cells, leading to silky skin. Furthermore, it is rich in metasilicic acid (189.0 mg/kg), a known moisturizing agent, which helps the skin retain moisture after bathing. This spring is perfect for deep relaxation and soothing daily fatigue.
The water temperature is high, so be mindful of overheating and dizziness. Stay hydrated. If you have health concerns or particularly sensitive skin, start with a short bath.
※ See the analysis data below for detailed contraindications
ANALYSIS DATAView all analysis fields ▼
Source Info
- Source name
- Kawamoto Bettei Garden Gensen
- Spring type
- Simple Hot Spring
- Old spring type name
- 単純温泉
- Source temperature
- 51℃
- pH
- 8
- Flow type
- 動力揚湯
- Osmotic pressure
- 低張性
Analysis Document
- Analysis date
- 2024-06-03
- Analyst organization
- 公益社団法人大分県薬剤師会
- Registration No.
- 大分県第3号
Cations
- Lithium ion Li⁺
- 0.20 mg/kg
- Sodium ion Na⁺
- 111 mg/kg
- Potassium ion K⁺
- 33.1 mg/kg
- Ammonium ion NH₄⁺
- 1.4 mg/kg
- Magnesium ion Mg²⁺
- 3.5 mg/kg
- Calcium ion Ca²⁺
- 11.1 mg/kg
- Manganese ion Mn²⁺
- 0.20 mg/kg
- Lead ion Pb²⁺
- < 0.01 mg/kg
- Strontium ion Sr²⁺
- 0.10 mg/kg
- Copper ion Cu²⁺
- < 0.05 mg/kg
- Cadmium ion Cd²⁺
- < 0.001 mg/kg
- Total cations
- 161 mg/kg
Anions
- Fluoride ion F⁻
- 0.30 mg/kg
- Chloride ion Cl⁻
- 89.9 mg/kg
- Thiosulfate ion S₂O₃²⁻
- 0.20 mg/kg
- Sulfate ion SO₄²⁻
- 4.7 mg/kg
- Bicarbonate ion HCO₃⁻
- 245 mg/kg
- Bromide ion Br⁻
- 0.20 mg/kg
- Hydrogen phosphate HPO₄²⁻
- 2.2 mg/kg
- Total anions
- 343 mg/kg
Undissociated Components
- Sulfuric acid H₂SO₄
- 0.00 mg/kg
- Phosphoric acid H₃PO₄
- 0.00 mg/kg
- Arsenious acid HAsO₂
- 0.00 mg/kg
- Metasilicic acid H₂SiO₃
- 189 mg/kg
- Metaboric acid HBO₂
- 3.7 mg/kg
- Total undissociated
- 193 mg/kg
Dissolved Gas
- Free carbon dioxide CO₂
- 0.90 mg/kg
- Free hydrogen sulfide H₂S
- 0.00 mg/kg
- Total dissolved gas
- 0.90 mg/kg
Trace Components
- Radon Rn
- < 7.4 Bq/kg
Totals
- Total dissolved substances
- 696 mg/kg
- Component total
- 697 mg/kg
- Evaporation residue
- 539 mg/kg
Usage
- Usage status
- Unknown
Indications & Contraindications
- Bathing indications
- Autonomic instability, Insomnia, Depression
- General indications
- High blood pressure (mild), Rheumatoid arthritis, 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)
Drinking
- Drinkability
- Not drinkable
