Hassle-free teeth whitening pens to refresh your smile on the go

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Teeth whitening pen

by Eleanor Weaver |

If you want to achieve whiter teeth with zero fuss, zero mess, and with the minimum amount of wait time possible, a teeth whitening pen is the best way to go. It doesn’t promise long-lasting results like other home whitening treatments such as teeth whitening kits and strips, but they’re perfect for anyone looking to add a quick-fix whiteness to their smile or wanting to do a last-minute touch-up on the go.

Easy to use, handbag friendly, and much less intrusive compared to other treatments, here are the best teeth whitening pens you can buy in the UK.

What is a teeth whitening pen?

Structurally shaped like a pen, this product contains a whitening gel with a brush for application. This gel contains a low concentration of bleach, typically hydrogen peroxide or carbamide peroxide, that can break down stains on the surface of the tooth, and in turn, lighten the shade of the tooth enamel.

Best teeth whitening pens

Created by dentists Dr Lisa and Dr Vanessa, this clinically formulated whitening pen is designed to work in as little as 20 minutes. Formulated with the ingredient hydrogen peroxide, the easy-apply formula actively dissolves stains for long-lasting results without causing sensitivity or harm to tooth health. Use daily, on the go, or as a top-up after other whitening treatments.

Promising review: "Just amazing and really made a considerable difference in a really short space of time."

Clinically proven to whiten teeth by up to two shades after a single use, the Wisdom Intense White Instant Whitening Pen is a quick and convenient way to help brighten your smile. The whitening gel has been formulated with the active ingredient sodium chlorite to provide effective stain removal applied with the unique silicone applicator. Use once for an instant colour shift or once a day over a course of five days for maximum whitening results.

Promising review: "This product really worked! It really made a difference and my teeth looked brighter and whitened, it’s also handy to pop in your handbag!"

Bright by name, bright by nature! The Mr Bright Teeth Whitening Pen is easy to apply with a soft, gentle brush head and uses zero harmful chemicals to remove enamel stains and reduce tooth decay. Clinically approved and certified: it requires a longer wear time, but you can expect to see results in as little as 10 minutes. Users found it was great for top-ups with no issues with sensitive teeth.

Promising review: "I was really impressed with this product, it says what it does and offers a great finish. My teeth now look really healthy and white!"

With over 1,000 reviews and an average rating of five out of five stars, the SmileTime Teeth Whitening Pen is definitely a fan favourite. Designed to deliver results in as little as just one minute, it's formulated with an advanced non-peroxide active whitening ingredient that's UK-approved and vegan-friendly. They advise using this pen to top up your smile or to use it as a brightening highlighter effect before a photo or special occasion.

Promising review: "Don't hesitate to give them a shot! I've noticed a significant difference in my coffee-stained teeth after using it on a daily basis for two weeks. I highly recommend it."

Don't want to worry about waiting for it to work or having to rinse before you leave the house? The Colgate Max whitening pen has been designed to be used overnight and can reportedly reverse 15 years of discolouration caused by food and drink in three weeks. Each pen has a precise applicator brush and contains 35 nightly treatments with the active ingredient hydrogen peroxide.

Promising review: "Really liked this product. Application was super easy and I loved the brush applicator, felt like you could really make sure you covered your teeth correctly. It definitely left my teeth feeling and looking whiter, and for an at home whitening product it really made a difference. I will definitely keep using this product!"

This dentist-approved teeth whitening pen from the Smile Science Harley Street clinic contains an enamel-friendly formula with nourishing and strengthening ingredients for a whiter smile. A good option for those with sensitive teeth, it should also help to protect teeth and gums whilst the applicator gently agitates deep set stains. Each pen contains approximately 30 applications with results in as little as one minute.

Promising review: "Really happy with the results as my teeth were whiter after using this pen. Easy to understand instructions and no sensitivity."

We've all heard of the Kardashians, and while we're sure they're using much more expensive teeth whitening treatments, this whitening pen from MOON x Kendall Jenner should help your smile feel a little brighter on a budget. Designed to brighten your smile and work on tough stains, the 100 per cent vegan formula uses a lovely vanilla mint flavour for lasting freshness. It's recommended to use it twice a day for a maximum of two weeks at a time.

Promising review: "I was not expecting this to work because whitening pens have not been great in the past but this really did whiten my teeth to the point that other people noticed. Nice packaging, easy to use and effective!"

Described as the 'first beauty serum for teeth and gums', this is another overnight whitening treatment with added healthy teeth benefits. With Pearl Drops' patented Liquid Calcium technology, the surface enamel is strengthened against acid erosion, lost gloss is restored, and the active oxygen gives an extra boost to whiteness lost over time. It also includes gum and enamel-friendly vitamin E and refreshing mint oils and is safe for everyday use.

Promising review: "It was a pleasure to use the pearl drops whitening pen and toothpaste. I saw a noticeable difference after the first use, my teeth are stained as I'm a tea/coffee drinker. Easy to use, pleasant taste and effective results, I believe with continuous use my teeth will be a few shades whiter."

Teeth whitening FAQs

Do teeth whitening pens work?

Teeth whitening pens and results can vary but for the most part, teeth whitening pens are effective for removing visible surface stains and achieving whiter teeth. However, it’s worth keeping in mind that this type of home whitening won’t provide a permanent solution. It’ll work well in the short-term when used as a maintenance tool, but for more effective, long-lasting results, you so should investigate other options such as kits and strips.

How to use a teeth whitening pen

Application instructions can vary with different teeth whitening pens, but for the most part, the process is super easy:

1 Twist the pen to dispense gel onto the application brush

2 Use the brush to paint the whitening gel onto your teeth

3 Leave in place for five to 30 minutes (dependent on the pen)

4 Rinse your mouth to remove excess gel

5 Use daily to maintain whitening effects

How long does it take to whiten teeth with a whitening pen?

The results of a teeth whitening pen can appear in as little as a matter of days to a couple of weeks.

How often should you use a teeth whitening pen?

Different pens have different requirements, and you should read the instructions for your chosen teeth whitening pen before beginning with the treatment. For example, the Moon Kendall Jenner Teeth Whitening Pen is advised for use for a maximum of two times a day for two weeks whilst the Spotlight Oral Care Teeth Whitening Pen recommends an ongoing daily treatment.

Are teeth whitening pens safe?

Teeth whitening pens are generally safe, so long as you use them as outlined and check for any safety advice. For example, some kits are not suitable for anyone under the age of 12 and can’t be used if you are pregnant or have existing dental concerns such as ulcers or exposed gums.

As with any form of at-home teeth whitening, some side effects can include tooth sensitivity, gum irritation, and damage to the tooth enamel if overused.

Always do your research before purchasing and check the ingredients list for gentle ingredients or a low concentration of harsh bleach, and for any known allergies. And, of course, if irritation occurs, stop using the treatment. It’s recommended to seek advice from your dentist before undertaking new treatments if you’re in any doubt or you’re concerned about the sensitivity of your teeth.

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