Mynology
Mynology Medicinal Baking Soda Stain Pro Strong, 30g
Mynology Medicinal Baking Soda Stain Pro Strong, 30g
Rated out of 7.0 by Japan's largest beauty community.
For stubborn stains on teeth such as red wine, coffee, and tobacco tar.
✓ 100% authentic. Direct from brand or official stores only
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Track your order via your national carrier (USPS / Royal Mail)
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What it is
This whitening gel contains three times the amount of baking soda than conventional products. With just 60 seconds of brushing, this whitening gel containing ingredients like baking soda and polyphosphate effectively lifts stains from cigarettes and red wine, leaving your teeth sparkling clean. It comes with a generous 180-use supply.
Ingredients
β-glycyrrhetinic acid. Other purified water (base), concentrated glycerin (humectant), hydrated silicic acid (abrasive), polyoxyethylene hydrogenated castor oil (solubilizer), xylitol (sweetener), sodium carboxymethylcellulose (binder), ethanol, xanthan gum (binder), sodium bicarbonate (cleaning agent), honeysuckle extract, persimmon leaf powder, tea extract (1), kumazasa extract, scutellaria root extract, chamomile extract (1), sage extract, rosemary extract (moisturizer), sodium polyphosphate (cleaning agent), ginkgo extract, fennel extract, hydrolyzed conchiolin solution, licorice flavonoid, chlorella extract, horsetail extract, peppermint extract, centella extract, houttuynia cordata extract, rice bran oil, apricot kernel oil (humectant), citric acid, lactic acid, tartaric acid, DL-malic acid (cleaning aid), camellia oil, cypress water, hinokitiol (humectant), I-menthol, peppermint oil (cooling agent), anhydrous ethanol, 1,3-butylene glycol, phenoxyethanol (preservative)
How to use
Take an appropriate amount on your toothbrush and clean your teeth and mouth.
We ship internationally from Japan!
Frequently Asked Questions
Are the products you sell authentic?
Authenticity is 100% guaranteed. We source directly from the brand, or from official stores within Japan.
All products are fresh off the shelves and never outdated.
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.