Polirin
Polyrin Honki Bihaku Medicated Whitening Essence (Peppermint), 15ml
Polyrin Honki Bihaku Medicated Whitening Essence (Peppermint), 15ml
@cosme rating: 4.2/7.0
Divided polyphosphate blend, medicated whitening essence toothpaste
✓ 100% authentic
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Tracked delivery via Japan Post
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What it is
This medicated whitening essence contains split polyphosphate, which coats the surface of teeth to prevent new stains from forming. Brushing removes stains, and the split polyphosphate coating prevents them from re-adhering. After use, your teeth will be smooth and shiny. It also contains antibacterial and anti-inflammatory ingredients, so you can use it in place of your current toothpaste to not only whiten your teeth, but also treat cavities, bad breath, and periodontal disease. Benefits: Teeth whitening, prevention of periodontitis (pyorrhea), prevention of gingivitis, prevention of tartar buildup, prevention of the development and progression of cavities, prevention of bad breath, oral cleansing, oral hygiene, and removal of tobacco tar. *Tooth whitening refers to whitening teeth through brushing. (Quasi-drug) Brand name: Polyphosphate Medicated Whitening Essence P
Ingredients
Sodium polyphosphate, cetylpyridinium chloride, dipotassium glycyrrhizinate. Cleaning agent: Polyethylene glycol 6000, sodium metaphosphate, sodium pyrophosphate. Solvent: Propylene glycol, polyoxyethylene hydrogenated castor oil. Thickener: Sodium carboxymethylcellulose. Preservative: Alkyldiaminoethylglycine hydrochloride solution. pH adjuster: Citric acid, sodium hydroxide. Flavoring agent: Peppermint fragrance.
How to use
1) Use the dropper to apply 1 to 3 drops to your toothbrush and brush your teeth. 2) After use, be sure to close the dropper cap tightly.
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.