500ml (30 bottles) x 1 box
Subscription is a great deal!
First order: 10% OFF
Second order: 20% OFF
Third order: 30% OFF
Fourth and subsequent orders: 40% OFF
For details on subscription, click here
Payment Methods
Credit cards: VISA / MasterCard
(Available for both single purchases and subscriptions)
*Payment may not be completed depending on the type of card, issuing country, and security settings of the card company.
In that case, please contact us via the inquiry form.
We will guide you through other payment methods, such as bank transfer.
Free shipping (separate shipping fees apply for remote islands). Current orders will be delivered after February 15th.
ONSENSUI99 Official Subscription Program
- Up to 40% OFF
- 1 box (30 pieces): up to 1,440 THB
- 1 bottle: 48 THB
Discount Steps:
- First time: 10% OFF (2,160 THB)
- 2nd time: 20% OFF (1,920 THB)
- 3rd time: 30% OFF (1,680 THB)
- 4th order onwards: 40% OFF (1,440 THB)
About expiry date
2 years from the date of manufacture if unopened After opening, please keep refrigerated and drink within 2-3 days.
For those making card payments on overseas websites
When using a Japanese credit card on an overseas e-commerce site (online shopping), the card company's fraud detection system will often be activated and the payment will be automatically blocked (rejected).
To ensure that your shopping goes smoothly, we strongly recommend that you contact us in advance using the following procedure.
1. Inform your card company of your planned use . This is the most reliable measure. If the cardholder informs the card company that they will be using the card overseas, they will be able to temporarily disable the security lock.
Contact details: Phone number on the back of the card or cardholder-only website/app
What to communicate:
"I plan to shop on an overseas website."
"Planned date of use (or period)"
Approximate payment amount
2. Why do I need to contact you in advance?
Card companies monitor suspicious activity 24 hours a day. If a payment is suddenly made on an overseas website using a card that has never been used overseas before, the system will assume that your card information has been stolen and misused, and will block the payment to protect your assets.
3. If your payment is rejected without contacting us <br/>If a payment error occurs, do not retry multiple times, but contact your card company immediately. If you can verify your identity, they will be able to lift the restriction immediately on the spot.
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Natural alkaline hot spring water
"Onsen-sui" is natural water that springs from Tarumizu Onsen in Kagoshima Prefecture. This natural water, which gushes from a source 750m beneath the Sakurajima volcanic belt, undergoes rigorous daily sanitary inspections and is of the highest quality in the world, with a pH of 9.9 and a hardness of less than 2. As it is a rare natural water with limited volume, it is truly a "phantom water."
Safety of hot spring water
Manufactured by directly collecting water from the source in our clean factory, which has been awarded as an Excellent Food Hygiene Facility (*).
In addition, regular radioactivity tests by external inspection agencies have shown undetected levels of radioactive iodine (Iodine-131) and radioactive cesium (Cesium-134 and Cesium-137).
*Awarded by the Kagoshima Prefectural Food Hygiene Association
SOC Corporation delivers safe and high-quality products.
The Secret Behind Onsen-sui 99
This ultra-soft water, sourced from natural hot springs in Tarumizu, Kagoshima, has a mild and gentle taste.
View detailsCompany Profile
SOC Co., Ltd., which manufactures and sells Onsensui 99, delivers safe and high-quality products.
View detailsAuthorized Distributor
We are looking for authorized distributors. If you are interested in selling Onsen-sui 99, please contact us.
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