Best At-Home Teeth Whitening Kits UK: Our 2026 Guide

At-home teeth whitening has come a long way. From traditional whitening trays and gels to prefilled trays, whitening pens and LED systems, there are now plenty of options for anyone looking to brighten their smile from home.

But with so many products available, which is the best at-home teeth whitening kit in the UK?

The answer depends on what you’re looking for. Some people prefer the convenience of ready-to-use trays, while others want a reusable gel-and-tray system. We’ve picked out some of the most popular options to help you compare teeth whitening kits.

Philips Sonicare Teeth Whitening Kit

Best for: A complete gel-and-tray system

The Philips Sonicare Teeth Whitening Kit combines Philips whitening gel with semi-custom, reusable whitening trays that can be moulded around your teeth at home.

For those looking for different whitening gel options, Philips Sonicare kits are available in different formulations, including 6% and 9.5% hydrogen peroxide versions.

There’s no LED device or complicated equipment involved. Once the trays have been prepared, simply apply the appropriate amount of whitening gel and follow the instructions provided with your kit.

This makes Philips Sonicare a good choice for anyone who prefers a more traditional tray-based approach.

Pola Teeth Whitening Starter Kit

Best for: A professional-style whitening routine

The Pola Teeth Whitening Starter Kit is another option for people who prefer whitening gel and trays rather than an LED device.

Pola is a well-known professional dental whitening brand, with gels available in various formulations and concentrations.

A key advantage of this type of system is flexibility. Reusable trays can form part of an ongoing whitening routine, with compatible replacement whitening gels available separately.

Opalescence Go

Best for: Convenience

Don’t want to fill whitening trays yourself? Opalescence Go offers a much simpler approach.

Its whitening trays come prefilled with gel, so there’s no need to measure or dispense product from a syringe. Simply prepare and wear the trays according to the supplied instructions.

This makes Opalescence Go particularly convenient for travelling or anyone looking for a straightforward, ready-to-use whitening option.

Opalescence PF 35% Mint Take Home Kit

Best for: A complete Opalescence gel system

The Opalescence PF 35% Mint Take Home Kit offers a different experience from Opalescence Go.

The kit contains eight 1.2ml syringes of 35% carbamide peroxide gel, alongside Opalescence Whitening Toothpaste, a pocket tray case and shade guide.

Opalescence PF also contains potassium nitrate and fluoride and has a thick consistency designed for use with whitening trays.

The 35% formulation has a maximum recommended wear time of 30 minutes per day and shouldn’t be worn overnight. Always follow the specific instructions supplied with the product.

AuraGlow LED Teeth Whitening Kit

Best for: LED whitening

For those who prefer an LED system, the AuraGlow Teeth Whitening Kit combines an LED mouthpiece with whitening trays and 35% carbamide peroxide gel.

LED systems provide a different whitening experience from conventional trays, although it’s important not to choose a kit based purely on how many LEDs it contains. The whitening formulation and correct application remain important parts of the process.

VieBeauti 5X LED Whitening Kit

Best for: An all-in-one LED kit

The VieBeauti 5X LED Teeth Whitening Kit brings together an LED device, whitening gel, mouth trays and remineralising gel.

Having everything supplied together makes it particularly convenient for someone buying their first complete LED whitening system.

Colgate Optic White ComfortFit

Best for: Whitening pen application

The Colgate Optic White ComfortFit system uses a whitening pen alongside a flexible LED device.

Rather than dispensing whitening gel into a conventional tray, the pen allows the product to be applied directly to the teeth before using the LED system according to its instructions.

Which Teeth Whitening Kit Should You Choose?

There’s no single best teeth whitening kit for everyone.

For traditional reusable trays, consider Philips Sonicare or Pola. For maximum convenience, Opalescence Go stands out with its prefilled trays. If you prefer separately applied Opalescence gel, there’s Opalescence PF, while AuraGlow and VieBeauti provide LED-based alternatives.

Most importantly, don’t assume a higher peroxide percentage automatically means a better product. Different concentrations have different application times and suitability requirements.

Teeth whitening can also cause temporary sensitivity and gum irritation. If you have sensitive teeth, gum problems, crowns, veneers, fillings or other dental concerns, speak to a dental professional before whitening.

The best at-home whitening kit is ultimately one that suits your teeth, preferred application method and daily routine – and one that you can use correctly according to its instructions.