Don’t already own whitening trays?
Please note: Whitening trays are not included with the top up gels.
For the best results, consider our Day Teeth Whitening or Night Teeth Whitening kits below that include trays.
For the best results, consider our Day Teeth Whitening or Night Teeth Whitening kits below that include trays.
Day Teeth Whitening Kit
Our day gels are perfect for on-the-go wearing, with positive effects appearing after just 45 minutes. Contains 6% Hydrogen Peroxide.
Night Teeth Whitening Kit
Our Night gels are designed to be worn overnight for best results, so you can whiten as you sleep. The best choice for sensitive teeth.
See all reviews
Top Up Whitening Gels
Our standalone syringes of whitening gels - trays not included.
choose from:
from £45.95
Not tested on animals
Made in the UK
Biodegradable Syringes
Vegan Friendly
USE: Wearing for 6 hours or more at night will typically yield better results, but they should be worn for a minimum of 4 hours.
RESULTS: Enough product for a continuous 14 day treatment or to keep you topped up over 6 to 9 months
Make 3 payments of £15.32. 18+. T&Cs apply. Credit subject to status.
Wake up to a whiter, brighter smile!
Designed as a convenient top-up for your existing teeth whitening trays, this potent formula works to lift stains, giving you a beautiful smile in no time. These whitening gels ensure a gentle yet effective whitening experience, balancing efficacy and comfort.
THERE'S A REASON we're rated 5 STARS ON TRUSTPILOT
WHITENING
I actually feel like Ross from Friends – if you know, you know!
Go get it – it's been unbelievable....
@jayden_hussain
WHITENING
I never really trusted teeth whitening businesses before and wasn
ProSmile is one of a kind. The service is so easy to use, in...
Imogen
WHITENING
My only regret is that I didn’t do this sooner!
I would 100% recommend Prosmile to anyone. I am on day 11 of...
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Pro Smile Limited (company number: 14425481) with trading address 45 Rosaville Road, London, England, SW6 7BN is an introducer appointed representative of Tabeo Broker Limited. Tabeo Broker Limited trading as Tabeo with its address at 5th Floor, 10 Finsbury Square, London EC2A 1AF. Tabeo is a credit broker and loan servicer. It will only introduce you to one suitable lender based on your choice of loan. Authorised and regulated by the Financial Conduct Authority (FRN 777539)
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© 2025 Pro Smile®