Onogawa Hot Spring is also known as a "beauty hot spring". The water quality is a sulfur sodium calcium chloride spring with a neutral pH of 6.9, making it a mild hot spring with little irritation. This hot spring is gentle on the skin and has moisturizing effects, making it effective in healing the skin. Onogawa Hot Spring's water quality contains a lot of a component called metasilicic acid, which has been scientifically proven to have high beauty effects, to the point where it is used in cosmetics such as lotion. Additionally, this hot spring is rare in that it can be drunk, so it is also expected to have beauty effects from the inside out. There are two sources, one at approximately 80.3 degrees Celsius and the other at approximately 36 degrees Celsius, which are blended depending on the season and weather. Furthermore, it is provided by 100% natural spring water flow, allowing you to experience the rich effects directly. Onogawa Hot Spring's beauty hot spring moisturizes and heals the skin, and is a hot spring where beauty effects are expected. Why not enjoy the rich effects of Onogawa Hot Spring?
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