Turn your bath at home into a natural hot spring. HAA for bath's 4 secrets.
Mixing natural ingredients processed by hand by artisans.Spend relaxing time with the gentle bathwater of "HAA for bath".
"Beppu yunohana", precious hot spring essence made by hand from the Edo period.
The main ingredient of "HAA for bath" is yunohana, or mineral deposit from hot springs, which has been made in Beppu from nearly 350 years ago. These crystals only react to the blue clay found in the mountains of Beppu. By combining Beppu yunohana components with alkaline hot spring components in a delicate balance, we have achieved a bathwater quality rich in natural minerals, while being smooth and soft to the skin.
Let your body feel lasting warmth with our bathwater rich in minerals.
Adding “HAA for bath” to your bath results in milky, thick bathwater. The mineral components in the bathwater gently covers your skin and prevents your body heat from dissipating, resulting in lasting warmth after bathing.
No use of sulfur which damages bathtubs
Sulfuric components, which cause damage to bathtubs, have been removed from “HAA for bath” during its production. Enjoy the feeling of bathing in a natural hot spring at home.
Fragrance-free so everyone can use it without worrying
We haven’t used any fragrances in order to make our product easy to use for everyone, including babies over 3 months of age, pregnant persons, and elderly persons.
Customer reviews
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上田栄子April 16, 2026 at 7:19 pm
娘からこちらの入浴剤をプレゼントで頂き私の率直な思い。『素晴らしい』ほんとに入浴剤なん？
お湯はトロトロでジワ〜って汗が出てお肌もツルツルです♪お風呂上がりも身体がポカポカしてぐっすり眠れました。素晴らしい入浴剤をありがとう❣️娘に感謝です❣️ -
papasanApril 7, 2026 at 8:27 am
昨年秋から定期購入しています。鉄輪温泉は小学校の修学旅行で訪れて以来、一昨年仕事で訪れとても癒されてきました。家庭でそれが楽しめるHAAをこれからも愛用していきたいと思います。
How our products are made
"HAA for bath" is a precious bath powder
made from artisans' craft and experimentation.
Learn more about its special ingredients and manufacturing process here.
Product details
- Product name
- HAA for bath
- How to use
- Use approximately 30 to 60 grams per 200 liters of bathwater, and stir well before bathing.
- Effects
- Coldness・Rashes・Nerve pains・Rheumatoid arthritis・frostbite・cracked skin・bruises・sprains・hip pain・hemorrhoids・heat rashes・eczema・alleviation of fatigue・coldness before and after pregnancy・acne
- Ingredients
- Sodium sesquicarbonate*, Boric acid*, Titanium oxide, Essence of mineral deposit from Beppu Hot Springs, Tartaric acid, Hydrolyzed caseinate, Sodium polyacrylate, Polyacrylic acid, Bentonite, PEG stearate, BG stearate *indicates “active components”, unmarked components are “other components”
- Country of origin
- Japan
- Product category
- Medicinal bath powder [Quasi-pharmaceutical product]
- Brand name
- YV bathwater additive N-HAA
