Teeth Whitening Pens
Whitening pens are great for quick touch-ups, but many sold online contain peroxide well above the UK legal limit of 0.1%. Every pen below meets the UK limit: peroxide-free, or within the 0.1% peroxide rule. Choose knowing it's been checked.
| Feature | MySweetSmile | Colgate | Smile Science |
|---|---|---|---|
| Rating | 4.5/5 | 3.6/5 | 3.2/5 |
| Price From | £19.99 | £19.98 | £9.39 |
| Meets UK 0.1% Limit | ✓ | ✓ | ✓ |
| Peroxide-Free | ✓ | ✗ | ✗ |
| PAP Formula | ✓ | ✗ | ✗ |
| Brand | Product | Formula | Image | Rating | Price from | Buy Now |
|---|---|---|---|---|---|---|
| MySweetSmile 🏆 Award-Winning Brand | Precision targeting — PAP technology, peroxide-free. Read our full review → | PAP – Peroxide Free |  | ⭐⭐⭐⭐½ 4.5/5 8,000+ reviews on Trustpilot | £19.99 RRP £24.99 | Claim offer |
| Colgate | Max White Overnight — overnight whitening pen with precision brush. (Pack of 2) | Peroxide |  | ⭐⭐⭐ 3.6/5 5 customer reviews | £19.98 | Check Price |
| Smile Science | Harley Street formula — sodium percarbonate, vegan, mint flavour. | Sodium Percarbonate |  | ⭐⭐⭐ 3.2/5 556 customer reviews | £9.39 | Check Price |
Prices checked and correct as of 27 June 2026. Prices and offers may change — check the link with the retailer for the latest. |
What is a Teeth Whitening Pen
Teeth whitening pens UK shoppers are turning to offer a quick and convenient way to whiten your teeth on the go. Simply twist or click the pen to apply the whitening gel directly to your teeth. Teeth whitening pens are popular for top-ups between treatments or when travelling. They are compact, easy to use and ideal for maintaining a bright smile anywhere.
How to Choose the Right Teeth Whitening Pen
When choosing teeth whitening pens UK products, check the formula and the concentration of the whitening gel. Consider how many treatments you get per pen and how quickly you want results. Always ensure the product is UK-compliant and suitable for sensitive teeth if needed. A good teeth whitening pen should be easy to apply and convenient to use.