Skip to content

Cart

Your cart is empty

journal

なめらかな髪質を触る女性 超軟水による髪のまとまりとツヤのイメージ
hair care

Is your hair dry from Thai water? Understanding the Relationship Between Hard Water and Hair Care

One of the causes of dry hair in Thailand is thought to be water quality. We explain in an easy-to-understand way the relationship between hard water and hair.

onsensui99 lifestyle drinking japanese soft water daily hydration wellness
alkaline water

Why is Onsen-Sui 99 so easy to drink? The reason why ultra-soft water with a hardness of 1.7 is chosen

Onsen-Sui 99 is a super soft water with a hardness of 1.7 mg/L. We explain why it is said to be easy to drink, as well as its differences from general mineral water and its characteristics, in an e...

Two clear glasses representing purity and clarity, symbolizing clean and smooth soft water like Japanese drinking water.
hard water

What's the difference between soft and hard water? How to choose easy-to-drink water that suits Japanese preferences

What's the difference between soft water and hard water? We compare their drinkability and characteristics, and explain in an easy-to-understand way how to choose water that suits Japanese people.

Japanese business team in a meeting with laptops and water bottles, showing healthy hydration with soft water in the workplace.
health

How Does the Habit of Drinking Water Affect Health Management? The Basics for People in Their 40s and Beyond

The habit of drinking water is fundamental to maintaining your daily condition. We'll explain hydration strategies to keep in mind from your 40s onwards.

Japanese man drinking soft water with a smile, expressing the smooth and refreshing feel of ONSENSUI99.
40代の生活習慣

Is Fatigue in Men in their 40s Due to Dehydration? Tips for Reviewing Daily Water Habits

This article clearly explains the increased fatigue experienced by people in their 40s and beyond, the underlying dehydration, and easy hydration habits you can start today.

A clear forest stream in Japan expressing the purity and softness of japanese soft water by ONSENSUI99.
alkaline water

Why is Japanese water attracting attention overseas? The reasons and value behind its expanding global presence

Why is Japanese water so highly regarded overseas? This article explains the characteristics of Japanese water and the reasons for its expanding global presence, providing a detailed look at its va...

Hands holding a glass of water representing daily hydration and healthy lifestyle
alkaline water

What is alkaline hot spring water? A clear explanation of its differences from regular water, its features, and how to choose it.

What kind of water is alkaline hot spring water? We'll explain everything in an easy-to-understand way for beginners, including the difference from ordinary water, the meaning of pH, the difference...

Japanese matcha preparation with bamboo whisk using soft water for smooth taste
alkaline water

Does matcha change with water? How different types of water affect its taste and how to choose the right one

The taste of matcha changes with the water used. We'll explain the difference between soft and hard water, and give easy-to-understand tips for choosing water to enjoy matcha more deliciously.

Thai temple under bright sun representing hot tropical climate lifestyle
alkaline-water

Heat in Thailand and dehydration countermeasures|Recommended water for Japanese people living in Thailand: “Hot Spring Water 99”

Thailand's heat and humidity pose a high risk of dehydration. Enjoy a healthy day with "Onsen Water 99," an ultra-soft water that Japanese residents in Thailand can safely drink.

Woman massaging legs for circulation and hydration health concept
bloating-relief

“Easy water habits” that are effective against swelling and fatigue

Choosing water is important to relieve swelling and fatigue. Start a water habit that is kind to your body with the ultra-soft alkaline water "Onsen Water 99".