Why does your skin feel so soft and refreshed after visiting a hot spring?
When your skin became softer, And all the tension in your body melted away,

The secret lies in natural minerals
even a single touch can make your skin feel smoother and more smoothed.

Koreans are known for their smooth, clear, and radiant skin
Korean hot spring water is rich in a variety of natural minerals.

4X the Power of Sulfur
Famous for its skin benefits, natural sulfur hot spring water, This filter contains four times the concentration.

Just 15 minutes a day
What if that same water could flow from your shower every day? Just 15 minutes a day. Fits any standard showerhead - just plug it in.


The only one in Korea 100% natural hot spring water Onsha
Feels like soaking in a hot spring for an hour. The Onsha hot spring shower filter captures the full essence of Korean hot spring ingredients.

On the first day of launch, our initial stock sold out
We were just as surprised. We didn't expect such an enthusiastic response.

The K-shower filter ONSHA CAPTURES
the essence of Korea's renowned sulfur hot springs. Supporters always recognize a good product first.


Global pre-launch testers reported 100% satisfaction

This filter contains 100% real sulfur hot spring water. Compare it to real hot spring water! We've removed harmful substances and kept the beneficial sulfur intact, delivering rich natural minerals to your skin.

Highly concentrated natural hot spring water With a freeze-dried cartridge
Removes 100% of chlorine. Not a single drop is left behind.
When Onsha is immersed in yellow reagent mixed with chlorine, it purifies and becomes transparent.
A simple shower can change your skin.

Clinically Proven through six types of tests
From hydration / glow / firmness to acne care clinically proven effects across 6 categories.

Wadiz Only! Two scents Added.
Discover the upgraded Onsha experience.



100% 4X Sulfur -
Rich Patented
Hot Spring Water

100% pure sulfur hot spring waterdrawn from 808 meters underground, deep within granite bedrock! We own our own sulfur hot spring well, allowing direct extraction and meticulous quality control of the natural hot spring water.

When sulfur touches the skin, pentathionic acid and cystine protein are naturally formed, supporting the repair of dry skin barriers and providing lasting hydration.

Onsha's Core Technology,
Sulfur Hot Spring Gel

SULLAB's exclusive freeze-dried sulfur hot spring gel technology. Onsha transforms natural hot spring water into a concentrated gel through freeze-drying, then places it into a cartridge applied to the bottom of the showerhead.

Dissolved 100% of skin- irritating residual chlorine. Delivers clean, pure hot spring water free from harmful substances.

Integrated Sediment+Hot Spring Gel Filter.
First, the sediment filter removes impurities, then the sulfur hot spring gel eliminates residual chlorine, giving you a truly clean and refreshing hot spring shower.
Thoroughly tested for both performance
and safety


Exclusive Scents
Available
Only on Wadiz


A Hot Spring Bath
You Can Enjoy
Anywhere

Enjoy the benefits of hot spring water without being tied of a location.


Sleek and simple

Forget long and bulky showerheads. Use Onsha with our compact, stylish dedicated showerhead.






Compact travel-size filter with mini showerhead Enjoy hot spring showers even on the go.
The mini showerhead is small but powerful


50% water-saving effect!
Water reaches the skin more effectively, allowing you to shower thoroughly with less water.

Only 130g lightweight and compact
With a flow-blocking cap included, you can shower worry-free at campsites, hotels, or on business trips.
Safety Certifications












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