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A whitening toothpaste removes surface stains. It doesn’t change the natural colour of your teeth. This guide compares the whitening toothpastes you can actually buy in Thailand, Thai brands included, by how they whiten, whether they contain fluoride and what they cost.
- Prices: checked on 7-Eleven’s online catalogue on 13 October 2026. In-store prices and promotions vary.
- Fluoride: given when the maker or the retailer states it. Otherwise we say so.
- Who we are: The Smile Bar is a teeth whitening studio in Bangkok, not a dental clinic. We sell two toothpaste brands, listed separately at the end.
What is the most effective teeth whitening toothpaste?
It depends on your stains. Whitening toothpastes work in three ways:
- Mild abrasives such as silica polish stains off the surface.
- Stain-fighting agents such as pyrophosphates help lift stains and slow their return.
- Purple or blue pigment makes teeth look less yellow straight away. The effect is optical and temporary.
The American Dental Association notes that whitening toothpastes mainly rely on abrasives to remove surface stains, and have no significant effect on the colour inside the tooth.
Toothpaste in Thailand: what is on the shelf
| Where | What you’ll find |
|---|---|
| 7-Eleven | The main Thai and international brands, often in travel sizes |
| Watsons, Boots | The widest choice of whitening and sensitive formulas |
| Tops, Lotus’s, Big C | Family sizes and multi-packs |
| Lazada, Shopee | Everything, including imports. Check the seller |
Two local rules explain what you see:
- Peroxide: toothpastes sold to the public in Southeast Asia may contain only a trace of hydrogen peroxide. The strong peroxide toothpastes sold in the US aren’t on Thai shelves.
- Fluoride: toothpastes sold as cosmetics in Thailand contain up to 1,500 ppm fluoride.
What’s inside a whitening toothpaste matters more than the brand name.
Top Whitening Toothpastes Popular in Thailand
From convenience stores to pharmacies, these brands frequently pop up in shopping baskets.
| Toothpaste | Type | How it whitens | Fluoride | Size | Price |
|---|---|---|---|---|---|
| Dentiste’ Plus White | Thai | Fine polishing powder, plant extracts | Not stated: check the tube | 100 g | 210 THB |
| Dentiste’ Premium White | Thai | Silica and nano-hydroxyapatite | Not stated | 100 g | 260 THB |
| Sparkle Fresh White | Thai | Silica | Not verified | 100 g | 115 THB |
| Sparkle Triple White | Thai | Silica and a stain-fighting phosphate | Not verified | 100 g | 145 THB |
| Sparkle Instant White | Thai | Purple pigment and silica | 1,500 ppm | 60 g | 169 THB |
| Darlie All Shiny White Enzyme | Regional | Enzymes and silica | Yes, amount not stated | 120 g | 149 THB |
| Zact Stain Fighter | Thai | Sold for tea, coffee and tobacco stains | Not verified | 160 g | 65 THB |
| Colgate Optic White O2 | International | Silica and “active oxygen” | Yes | 85 g | 199 THB |
| Colgate Optic White Purple | International | Purple pigment and silica | Yes | 100 g | 179 THB |
| Sensodyne Gentle Whitening | International | Gentle stain removal, for sensitive teeth | 1,450 ppm | 160 g | 195 THB |
| Sensodyne Clinical White | International | Stain protection, for sensitive teeth | Not verified | 100 g | 215 THB |
| Oral-B 3D White Luxe | International | Silica and stain-fighting phosphates | Yes | 90 g | About 119 THB |
No brand sold in Thailand publishes how abrasive its toothpaste is, so we can’t rank them on that.
Thai toothpaste brands worth knowing
Not all of these are whitening toothpastes. They’re the Thai brands travellers ask about most, with the Thai name to show in a shop.
Dentiste’ (เดนทิสเต้)
- What it is: Thailand’s best-known premium brand, sold as a “night-time” toothpaste with plant extracts.
- Whitening: the Plus White and Premium White lines. A purple version also exists (395 THB for 100 g).
- Fluoride: not stated on the listings we checked, and fluoride-free versions exist. The Anticavity Max Fluoride line has 1,500 ppm (215 THB for 100 g).
- Price: 125 THB (50 g) to 300 THB (160 g).
Sparkle (สปาร์คเคิล)
- What it is: a Thai brand built around whitening.
- Whitening: yes, across the range: silica formulas, and a purple-pigment Instant White.
- Fluoride: 1,500 ppm in Instant White. Not verified for the others.
- Price: 115 to 169 THB.
Darlie (ดาร์ลี่)
- What it is: a mint toothpaste found all over Asia.
- Whitening: the All Shiny White line. The classic Double Action isn’t a whitening toothpaste.
- Fluoride: yes in All Shiny White Enzyme.
- Price: 149 THB for 120 g.
Tepthai (เทพไทย)
- What it is: a concentrated herbal paste with clove and guava leaf. You use a small amount.
- Whitening: it’s a herbal toothpaste, not a whitening formula.
- Fluoride: not stated for the Original. A version with fluoride exists.
- Price: 105 THB for 70 g.
Twin Lotus (ดอกบัวคู่)
- What it is: a dark brown herbal paste, a classic souvenir.
- Whitening: no.
- Fluoride: not verified.
- Price: 67 THB for 180 g.
Salz (ซอลส์)
- What it is: a salt toothpaste.
- Whitening: no.
- Fluoride: yes in the versions we found information on.
- Price: 79 THB for 160 g.
Zact (แซคท์)
- What it is: a budget toothpaste aimed at tea, coffee and tobacco stains.
- Whitening: stain removal.
- Fluoride: not verified.
- Price: 65 THB for 160 g.
Viset-Niyom (วิเศษนิยม)
- What it is: a traditional herbal tooth powder, also sold as a paste.
- Whitening: no.
- Fluoride: not verified.
- Price: 119 THB a tube.
International whitening toothpastes sold in Thailand
- Colgate Optic White: the O2 and Purple versions are the ones on Thai shelves.
- Sensodyne: Gentle Whitening and Clinical White, both for sensitive teeth.
- Oral-B 3D White Luxe: a silica and phosphate formula.
- Fluocaril White Expert: a budget option, about 69 THB for 150 g.
- Marvis Whitening Mint: a premium Italian toothpaste, about 435 THB.
- Crest 3D White: we found it only as an import from marketplace sellers. Check the seller and the formula.
Which one to buy: pick by need
| Your need | Look at | Why |
|---|---|---|
| Coffee and tea stains | Sparkle Triple White, Oral-B 3D White Luxe, Zact | Stain-removing formulas |
| Sensitive teeth | Sensodyne Gentle Whitening or Clinical White | Made for sensitivity |
| Fluoride you can verify | Sensodyne Gentle Whitening, Sparkle Instant White | The amount is stated |
| An instant, temporary boost | A purple toothpaste | Optical effect |
| Herbal taste, or a souvenir | Tepthai, Twin Lotus, Viset-Niyom | Thai classics. Not whitening formulas |
| Small budget | Zact, Fluocaril White Expert | Under 70 THB |
What Causes Tooth Discoloration? And What Toothpaste Can and Can’t Fix
Tooth stains fall into two main types: extrinsic and intrinsic.
- Extrinsic stains sit on the surface. They’re caused by foods and drinks like coffee, red wine, tea or dark sauces, and by smoking. Whitening toothpaste can help remove these.
- Intrinsic stains are deeper in the tooth and may come from medication, trauma or ageing. Even the best whitening toothpaste won’t make a big difference here.
- Crowns, veneers and fillings don’t change colour.
For a change of shade, you need whitening: see teeth whitening in Thailand.
Do Whitening Toothpastes Really Work on Sensitive Teeth?
Yes, if you choose the right one. Whitening toothpaste for sensitive teeth usually includes potassium nitrate to calm sensitivity and a low-abrasion formula to avoid making it worse. If you’re prone to mouth ulcers, an SLS-free toothpaste is worth trying.
What to skip or double-check
- A fluoride-free tube: fine as a second toothpaste, but it won’t protect against cavities. The ADA only gives its Seal for cavity protection to toothpastes with fluoride.
- Charcoal: the ADA says there isn’t enough evidence that charcoal products whiten teeth safely and effectively.
- Imported high-peroxide toothpastes: they aren’t made for the Thai market. Check what you’re buying.
- Brushing harder: it doesn’t whiten more, and it wears enamel.
Ingredients to Look for in a Safe Whitening Toothpaste
| Ingredient | What it does |
|---|---|
| Sodium fluoride (1,000 to 1,500 ppm) | Strengthens enamel and prevents cavities |
| Pyrophosphates, zinc citrate | Help prevent and lift surface stains |
| Low-abrasion silica | Polishes stains away gently |
| Potassium nitrate | Calms sensitive teeth |
| SLS-free formula | Worth considering if you get mouth ulcers |
The toothpastes we sell at The Smile Bar
We sell these, so we’ve kept them out of the comparison.
- Brilliant Smile WhiteningEVO: a Swedish whitening toothpaste with fluoride, pyrophosphates and zinc. No peroxide. A tube is included in every whitening package.
- Brilliant Smile WhiteningBOOST: a two-week intensive version.
- HiWhite Charcoal: a charcoal toothpaste. See the note on charcoal above.
All are in our online shop.
The Brilliant Smile range sold at The Smile Bar.
When toothpaste is not enough
A toothpaste keeps surface stains away. For a lighter shade, The Smile Bar offers LED whitening sessions in Siam Square. Need a faster result? See how to whiten teeth fast.
- Single Whitening: 1 × 20 minutes, 2,399 THB
- Double Whitening: 2 × 20 minutes, 4,399 THB
- Triple Whitening: 3 × 20 minutes, 5,799 THB
Every package includes a whitening toothpaste and mouthwash. Book online or see our teeth whitening prices page. We’re on the ground floor at 392/27-28 Siam Square Soi 5, next to BTS Siam, open every day from 10 am to 8 pm.
Frequently Asked Questions
What is the actual effectiveness of whitening toothpastes?
They remove surface stains from coffee, tea and smoking. They don’t change the natural colour of your teeth or treat deep discolouration.
Which Thai toothpaste has fluoride?
Sparkle Instant White and Dentiste’ Anticavity Max Fluoride state 1,500 ppm. For other Thai brands, check the tube: several herbal toothpastes are sold without fluoride.
Is Dentiste a whitening toothpaste?
Its Plus White and Premium White lines are sold as whitening toothpastes. They work on surface stains.
Can whitening toothpaste damage enamel?
Used normally, toothpastes are designed to be safe for enamel. Scrubbing hard with an abrasive product can wear it over time.
Is whitening toothpaste safe for sensitive teeth?
It can be. Choose one made for sensitive teeth, with potassium nitrate.
Will whitening toothpaste whiten crowns or veneers?
No. It works on natural teeth only.
How long does it take for whitening toothpaste to work?
Usually a few weeks of daily use for surface stains. Purple toothpastes look brighter at once, but the effect is temporary.
Is it safe to use whitening toothpaste every day?
Yes for most products sold in Thailand. Make sure your routine includes fluoride.
Where can I buy Thai toothpaste in Bangkok?
At any 7-Eleven, Watsons, Boots or supermarket. Travel sizes are common in 7-Eleven.
