Are you using tap water
for your baths?
Are you using tap water
for your baths?
Like most people, you might be adding bath salts or essential oils to your bathwater. But hold on a moment—did you know that using tap water alone may not fully deliver the desired bathing effects?
Onsen Bath Powder
A Breakthrough Concept in Bathing:
Transforming Tap Water into Genuine Onsen Water Quality.
- Anti-Aging
- Skin Health Maintenance
- Help relax and ease tension of
tired muscles - Improve Sleep Quality
- Boosting Immunity
- Eliminate Stress
A collaborative product
developed with Dr. Negi
from Doshisha Women's University Faculty
of Pharmaceutical Sciences
Hydrogen's Active
Oxygen Reduction Power
800 times
more potent than Coenzyme Q10
150 times
more potent than Vitamin C
A collaborative product
developed with Dr. Negi
from Doshisha Women's University Faculty
of Pharmaceutical Sciences
Renew Refresh Recharge EMBRACE YOUR RADIANCE
Step away from the ordinary skincare regimen and dive into a journey of self-discovery and rejuvenation.
Onsen Bath Powder
POINT 1 ・2・3
POINT 1
Converts Oxidized water to immaculate reduction levels !
Transform ordinary tap water into pristine, reductive hot spring water with our innovative hydrogen-powered product, reducing oxidation levels to -450mv.POINT 2
Luxurious Hydrogen Bubbles for a Champagne-like Soak !
Transform your bath into a health oasis (1.4ppm) with luxurious hydrogen bubbles akin to champagne !POINT 3
Mix Onsen Powder with bath additives and oils as you like !
Mix Onsen Powder with bath additives and oils for a personalized soak !
– Please note –
※Mixing Onsen Powder with bath additives containing synthetic coloring agents or fragrances may suppress color and scent due to the reduction effects of Onsen Powder, depending on the ingredients. ※When blending with other bath additives, dissolve Onsen Powder in the bathtub first before adding other products.Customer Testimonials
※This is a personal impression and not indicative of efficacy. Individual experiences may vary in terms of sensation.
Have you ever experienced the following?
- Not being able to sleep due to stress
- Struggling with lower back or joint pain
- Not being able to push yourself as you did when you were younger
- Noticing your skin lacks its former vitality
- Having a weakened immune system and catching colds easily
- Not being able to alleviate muscle soreness after exercising
Even though I take a bath every day, I still feel
like the fatigue in front of me won’t go away…
Even though I take a bath every day, I still feel
like the fatigue in front of me won’t go away…
It might not be your fault, but rather the fact
that you’re not using the right bath water.
The key to the beauty benefits of natural hot springs lies in their
The concept of reduction, which counters oxidation, plays a crucial role in hot spring water. Reduction inhibits oxidation, meaning that hot spring water's ability to reduce oxidative stress (ROS) is essential. Scientists have shown that natural hot springs in both Europe and Japan exhibit these reductive properties.
Oxidation can be visualized by splitting an apple to expose the inner fruit to oxygen—it soon turns brown and loses its freshness. If there is a lack of antioxidants in the body, cells become oxidized.
Our Onsen Powder transforms
your home bathwater into reductive water
Discover spa-like rejuvenation at home with our revolutionary product! Powered by hydrogen, it transforms ordinary tap water into the luxurious essence of hot spring water, famed for its reductive properties. With residual chlorine and oxidation eradicated, enjoy a refreshing, hot spring-like bath experience that pampers your skin and hair. Immerse yourself in the serene oasis of hot spring bathing in the comfort of your own bathroom and experience ultimate relaxation!
Hydrogen's Active
Oxygen Reduction Power
800 times
more potent than Coenzyme Q10
150 times
more potent than Vitamin C
Did you know Natural hot springs are reductive waters?
The ORP-pH relationship between natural hot spring water and chlorine-treated hot spring water is depicted in the graph.
*References Japan Onsen Climatology and Physical Medicine Society (Ed.): Onsen Medicine, Japan Onsen Climatology and Physical Medicine Society, Tokyo, 69-73, 1990. 2) Central Onsen Research Institute: Environmental Agency Commissioned Business Report, Central Onsen Research Institute, Tokyo, 35-61, 1993.
Why not enhance your home bathing experience
with Onsen Powder ?
OnsenBathPowder Subscription
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Total plus shipping fee calculated at checkout. All prices in USD
Onsen Additives
Onsen Additives: Experience the essence of Japanese hot springs with Onsen Harvest's original bath additives, including Onsen Powder, as well as rare bath salts and various additives sourced directly from local hot spring areas.
Healing Collections
Healing items beloved by Japanese people, including herbal water and aromatherapy oils born from the abundant nature of hot spring areas. Enjoy these healing items to soothe fatigue and promote relaxation.
Local Delights
Explore the confectionery haven of hot spring areas, where we deliver exclusive sweets ranging from nutritious superfoods to traditional Japanese sweets that are difficult to find elsewhere.
Japanese Teas
Enjoy an array of teas sourced from local tea plantations, featuring premium Japanese green tea and herbal teas cultivated in Japanese forests, each offering distinct health benefits.
Special Items
Receive special items that are exclusive to hot spring areas, including traditional handicrafts and power items from hot spring shrines, ensuring you experience the unique essence of these locations firsthand.