• BARTH Medicated Neutral Bicarbonate Bath RELAX, 9 Tablets (3 Uses) (LavenderFog)
  • BARTH Medicated Neutral Bicarbonate Bath RELAX, 9 Tablets (3 Uses) (LavenderFog)
  • BARTH Medicated Neutral Bicarbonate Bath RELAX, 9 Tablets (3 Uses) (LavenderFog)
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BARTH

BARTH 药用中性碳酸氢盐浴放松片，9 片（3 次用量）（薰衣草雾）

BARTH 药用中性碳酸氢盐浴放松片，9 片（3 次用量）（薰衣草雾）

@cosme rating: 5.2/7.0

A gentle lavender scent perfect for getting ready for bed

✓ 100% authentic

✓ Ships from Japan in 3-5 days

✓ Duties prepaid for US orders

✓ Tracked delivery via Japan Post

$48.00 USD
$48.00 USD
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结账时计算的运费。
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What it is

BARTH FOR RELAX 是一款中性碳酸氢盐沐浴添加剂，由专注于睡眠的 BARTH 公司研发，采用独特配方，将碳酸氢根离子的温热功效与舒缓香氛完美结合。加入热水后，它会产生细腻的泡沫，使碳酸氢根离子充分溶解于水中，并长时间保持其浓度。活性成分可增强沐浴的温热效果，并促进疲劳恢复。BARTH 的原创香氛由 10 种天然精油（包括薰衣草）精心调配而成。主要特点

Ingredients

Sodium bicarbonate, sodium carbonate. Other Fumaric acid, succinic acid, vitamin C and sodium, monosodium L-glutamate, PEG6000, fragrance, and 5 other ingredients.

How to use

将约3片药片加入160升温水（37-40℃）中，待其完全溶解后再进行沐浴。浸泡至少15分钟。温水浴有助于促进血液循环，缓解疲劳。沐浴时，可在水中轻轻按摩身体。

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.