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Explanations by Spring Quality
This page introduces General Indications and Contraindications, also Indications and Contraindications for each Spring Quality.
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④Sulfate springs
硫酸塩泉
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"Hot spring for strokes", "Hot spring for cuts", "Hot spring for skin revitalization and beauty"
Hot springs with more than 1,000 mg of dissolved substances (excluding gaseous substances) in 1 kg of hot spring water, and with Sulfate Ions（SO42-）as the main anion.
Indications for bathing according to spring quality are Cuts, Peripheral circulatory disturbance, Sensitivity to cold, Depression, and Dry skin, which are the same as for the Chloride Springs. Indications for drinking according to spring quality are Biliary system disease, Hypercholesterolemia, and Constipation, as it promotes the secretion of bile. Note that only Sulfate Springs and Chloride Springs have Constipation as an Indication for drinking. This spring quality stimulates skin revitalization (activates metabolism). Specifically, Cuts, Burns, Acne, Psoriasis, Itching, Chronic Eczema, etc. are treated with this spring water. Thus, Sulfate Springs, like Chloride Springs, are also called “Hot springs for cuts”.
The “Sulfate Springs” is also highly effective for oily skin because of its ability to wash away excess oil on the skin. The sulfate ions also have the effect of sending more oxygen into the blood, rehydrating skin, stimulating collagen production, making the skin taut and moisturized, which is an anti-aging effect. This is why it is called “Hot springs for rejuvenation” and “Hot springs for beautiful skin”. “Sulfate springs” classified according to the main component of cations as follows.
（1）Sodium－Sulfate Springs
Sodium Ion's heat-retaining and antibacterial effects warm the body, relieve pain, and disinfect the body. Also, Sulfate Ions have a reviving (anti-aging) effect that stimulates the production of collagen. The combination of these two cations and anions is called "Hot springs for cuts".
（2）Calcium－Sulfate Springs
The calming effect of Calcium Ion relieves pain and inflammation, and is said to be effective in treating hypertension, arteriosclerosis, and other vascular conditions. Because of its effectiveness in preventing vascular problems, it is also called "Hot spring for strokes". Also, Calcium Ions promote the formation and regeneration of the stratum corneum, and Sulfate Ions enhance the skin's elasticity function and prevent the formation of wrinkles. The combination of these two cations and anions is called "Hot spring for beautiful skin".
（3）Magnesium－Sulfate Springs
Magnesium Ions have a calming effect that strengthens the skin barrier function, lowers blood pressure, and relieves pain. Sulfate Ions dilate blood vessels and stimulate blood circulation. The combination of these two cations and anions is called "Hot spring for strokes".
Indications by Spring Quality For bathing Cuts, Peripheral circulatory disturbance, Sensitivity to cold, Depression, Dry skin ※Same as Chloride Springs For drinking Biliary tract disease, Dyslipidemia (high cholesterol), Constipation Contraindications by Spring Quality For bathing None For drinking None - ■Old spring quality name・・・Sulfate springs with the same name as the new spring
- Color of hot water・・・Clear and Colorless
- ■Taste & Smell・・・
「Sodium－Sulfate Springs」Medicinal, bitter and odorless
「Calcium－Sulfate Springs」Bitter and burnt smell
「Magnesium－Sulfate Springs」Bitter and odorless - ■Water texture・・・Soft and gentle touch
- ■Major hot spring inns・・・"Chigira Jinsentei" Ikaho Onsen, Gunma Prefecture／"Bettei Senjuan" Tanigawa Onsen, Gunma Prefecture／"Umi-no-Hoteru Isaba" Heda Onsen, Shizuoka Prefecture／"Muso-An Biwa" Toi Onsen, Shizuoka Prefecture／"Hozue-no-Toki" Toi Onsen, Shizuoka Prefecture／"Fugaku-Gunjo" Toi Onsen, Shizuoka Prefecture／"Mayu-Futahari" Dogashima Onsen, Shizuoka Prefecture／"Ohanami-Kyubei" Yamanaka Onsen, Ishigawa Prefecture
| General Indications ※Indications for all spring quality |
For bathing | Chronic pain or stiffness of muscles or joints (chronic phase of rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia, frozen shoulder, bruises, sprains, etc.), muscle stiffness by motor paralysis, sensitivity to cold, peripheral circulatory disturbance, gastrointestinal hypofunction (slow digestion, intestinal gas formation, etc.), mild hypertension, impaired glucose tolerance (diabetes), mild hypercholesterolemia, mild asthma or emphysema, pains of hemorrhoidals, autonomic instability, various symptoms from stress (sleep disorders, depression, etc.), restorative phase from illness, recovery from fatigue, health promotions |
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| For drinking | ※There is no general indications for drinking. |
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| General Contraindications ※Contraindications for all spring quality |
For bathing | Active stage of diseases (especially when fever is accompanied), active tuberculosis, advanced malignant tumor, or the case of significant debility involving severe anemia, severe cardiac or lung diseases involving suffocation feelings with a little movement, severe kidney disease involving edema, gastrointestinal bleeding, when there is visible bleeding, acute exacerbation stage of chronic diseases, etc. |
| For drinking | ※There is no general contraindications for drinking. |