Hyakuyakuto
Hyakuyakuto Hyakuyakuto Medicated Bath Salts, 10 Packs
Hyakuyakuto Hyakuyakuto Medicated Bath Salts, 10 Packs
Rated 5.3 out of 7.0 by Japan’s largest beauty community
A hybrid bath additive containing herbal medicine and hot spring ingredients. Citrus fragrance.
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
In addition to sodium bicarbonate, an inorganic hot spring ingredient, it contains chopped herbal medicines "Angelica Root," "Phellodendron Bark," and "Cinpi" that enhance the effects of the hot bath. The active ingredients enhance the effects of the hot bath and are effective for cold sensitivity, fatigue recovery, stiff shoulders, etc. The moisturizing ingredients leave you feeling moisturized and smooth after a bath. The water is cloudy green with a refreshing citrus scent.
Ingredients
Phellodendron bark, ginger, cnidium rhizome, tangerine peel, angelica tree root, sodium bicarbonate. Other Almond oil, celery oil, dextrin, calcium silicate, titanium dioxide, polyethylene glycol 6000, polyoxyethylene stearyl ether, sodium oleate, Blue No. 1, Yellow No. 4, fragrance.
How to use
Add one packet (30g) of this product to a household bathtub (approximately 200L) and gently rub it in with your hands in the water.
We ship internationally from Japan!
Frequently Asked Questions
Is this authentic?
Yes. We only buy from official retailers and directly from the brands here in Japan. Never resellers, never grey market stock.
We are beauty lovers too, so we know the worry, especially with something you are putting on your face. Authenticity is 100% guaranteed by us.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.