The most expensive teeth whitening kit isn’t necessarily the best one for you. Neither is the cheapest always going to be the best value. As humans we’re all individuals so it follows that each of us will prioritise certain attributes in a kit differently. For instance, you may be looking for a solution that will whiten your teeth in the shortest time possible. Then again, perhaps you’re more concerned about the health aspect (ie you don’t want to risk sensitive gums)? Maybe you can’t be bothered messing around with gum moulds every night? Whatever your priorities we’ve tried to get the bottom of these issues and others in this comparison table showing the best teeth whitening kits currently available to buy in the UK, based on research conducted by dental expert Dr Robert Esmund BDS.
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PRODUCT
(Click to read full reviews)
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Overall score *Includes effectiveness and value for money
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Active ingredient
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% strength of gel
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Format
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Claims that you should start to see results in…
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How many shades? (*manufacturer’s claim)
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Amount of gel provided
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Average price
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To note
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| Dr George’s Dental White |  |
Carbamide peroxide | 16% | Thermoform mouthtrays. Includes Ultravoilet light | 14 days | Up to 11 shades | 120ml | £36.97 | FDA Approved and our Best Whitening Kit |
| Whiter than White |  |
Carbamide peroxide | 11%, 16% | Mouthtray (custom-made or thermoform) | 14 days | Not specified | 18ml | £99 for custom-made mouthtrays | Gel is FDA approved |
| NiteWhite ACP | |
Carbamide peroxide | 10%, 16%, 22% | Custom-made mouthtrays, provided by your dentist | 7 to 14 days, or 3 nights with NiteWhite AP Turbo | Up to 6 shades with NiteWhite AP Turbo | 14.4ml in standard kit | N/A | Sold by dentists only, though it can be found online |
| Dr Collins All White | |
Carbamide peroxide or hydrogen peroxide | 10%, 16%, 22% | Thermoform mouthtrays | 7-14 days | Not specified | 10ml | £20 | Recommends Whitening only 6-8 front teeth |
| Botanical White | |
Sodium bicarbonate | 40% | Thermoform mouthtrays | 14 days | Up to 11 shades | 40ml | £34.99 | Includes pre-treatment spray, after care gel plus FOUR mouth trays |
| Pro White Smile | |
Carbamide peroxide | 16%, 23% | Thermoform mouthtrays | Not specified | Not specified | 10ml in standard kit | £15.99 | N/A |
| NuWhite | |
Carbamide peroxide | 10%, 16%, 22% | Thermoform mouthtrays | 14 days | Up to 10 shades | 9ml | £54.95 | 5 shades within 2 weeks may be more realistic |
| Mint Cosmetics |  |
Sodium bicarbonate | 35% | Laboratory-made mouthtrays | 7 days to 14/21 days for deep stains | Up to 11 Shades | Not specified | £49.99 | N/A |
| Pola | |
hydrogen peroxide (poladay), carbamide peroxide (polanight) | 3%, 7.5% or 9.5% (poladay), 10%, 16% or 22% (polanight) | Custom-made mouth trays, provided by your dentist | Not specified | Not specified | Various | Depends on dentist | N/A |
| Dial A Smile | |
Hydrogen peroxide | Not specified | Paint-on gel and LED light | One treatment | 4-7 shades | Not specified | £254.20 | N/A |
| Zero Peroxide |  |
Sodium bicarbonate | 35% | Thermoform mouthtray PLUS LED light accelerator | 14 days | Not specified | 20ml | £60 | Clear silicon mouth trays do not need to be moulded to teeth |
| Rapid White Blue Light | |
Not specified, but is peroxide free | Not specified | Light activated painted-on gel | Should See Results in 2 Hours | Up to 5 shades | 10ml | Just under £23 | N/A |
| AccelaWhite | |
Not specified but is non-peroxide | Not specified | Dual arch moulds and trays | Not specified | Not specified | 10ml in basic kit | Basic kit is £19.99 | Claims to be EU and UK compliant |
| DentaWorks Smile | |
Not specified but is peroxide free | Not specified | Thermoform mouthtrays | 7 days | Not specified | 30ml | £49.95 | N/A |
| Dentech | |
Carbamide peroxide | 35% | Thermoform mouthtrays. Includes LED light | As little as 3 days, 14 days optimum | Up to 11 shades | 30ml | £29.99 | Such a high concentration could cause irritation |
| Smile Star | |
Carbamide peroxide | 35% | Thermoform mouthtrays | 3 weeks | Not specified | 10cc for standard kit | £19.95 | Such a high concentration could cause irritation |
| Vitint Safe & White |  |
Hydro-carbon-oxo-borate | Not specified | Thermoform mouthtrays | 7 days | Up to 7 | Not specified | £29.99 | Approved by the British Dental Health Foundation |
| Rio Blue Light | |
Sodium perborate | Not specified | Standard fit, non-mouldable mouthtrays and blue light | Not specified | Not specified | Not specified | £30.59 | May only whiten bottom half of teeth |
| Aquafresh White Trays | |
Hydrogen peroxide | 10% | Non-mouldable mouthtrays | Not specified | Up to 4 shades | Not specified | Approx £23 | N/A |
| Beaming White Smile | |
Sodium perborate | Not specified | Thermoform mouthtrays | 10 days | 7-12 shades | 10ml | £99 for deluxe kit (£19 with regular Groupon offer) | May not include enough gel in the kit for adequate whitening |
| Brilliant Kit | |
Sodium hydroxide | Not specified | Non-mouldable duplex mouthtray | 7 days | 4 shades | Not specified | £6 to £10 | Tray is not very wide so unlikely to cover back teeth |
| Rapid White 1 Week | |
Chlorine dioxide based | Not specified | Thermoform mouthtrays | 7 days | Up to 4 shades | 13ml | £8.16 | N/A |
| Forgotten Health System | |
Carbamide and hydrogen peroxide | 35% carbamide, 3% hydrogen peroxide | One thermoform mouthtray | 7-10 days | More than 11 | 12ml | £18.99 | Concentration of gel may cause sensitivity |
| Bleachbright | |
Carbamide peroxide | 30% | Mouldable mouth tray | 7 days | Up to 10 shades | 20ml | £58 | Such a strong concentration of gel is not advised |
| Rio Professional | |
Sodium perborate | Not specified | Thermoform mouthtrays and blue light | Not specified | Not specified | Not specified | £59.99 | May only whiten bottom half of teeth |
