
Product information
Details at a glance
Check the exact option selected above before adding to cart.About this product
Simply select your strength, flavour and amount of Syringes using the options below
- Teeth Whitening Products: A professional teeth whitening experience in the comfort of your home
- 1.2ml Carbamide Peroxide Gel-Filled Syringes: Supports efficient and easy delivery to teeth whitening trays
- Opalescence Teeth Whitening: This teeth whitener is intended for 30-60 minutes a day wear
- Dental Care: Gluten free; kosher; sweetened with xylitol, which may reduce the risk of tooth decay
- Made in the USA: Opalescence products are made in the USA from globally sourced materials
Opalescence whitening gel offers a convenient way to achieve professional-level teeth whitening results safely, Opalescence Teeth Whitening Gel UK
Opalescence Teeth Whitening Gel UK is a dentist-recommended at-home whitening solution designed to deliver noticeable results while prioritising comfort. Its advanced PF (Potassium Nitrate + Fluoride) formula helps support enamel health and reduce the likelihood of sensitivity during treatment.
With a choice of strengths and flavours, this flexible system allows you to tailor your whitening routine to your lifestyle, sensitivity level, and desired results.
Lower strengths can be worn overnight for gradual whitening, while higher concentrations are ideal for shorter, more intensive daily sessions.
Over time, the gel works to lift common stains caused by coffee, tea, red wine, and everyday habits—helping you achieve a brighter, more refreshed smile.
Key Features of Opalescence Teeth Whitening Gel UK
- Multiple Strength Options: Available in 10%, 15%, 20%, 35%, and 45% (Mint flavour only at higher strengths)
- Flavour Choices: Mint or Regular for a more comfortable experience
- PF Formula: Designed to support enamel and improve comfort during use
- Flexible Wear Times: From short daily treatments to overnight whitening
- Professional-Level Results: A convenient at-home option used by dental professionals worldwide

Choosing the Right Opalescence Strength
Selecting the correct strength depends on your sensitivity, routine, and how quickly you want to see results.
10% Gel – Gentle Overnight Whitening
Ideal for first-time users or those with sensitive teeth. This lower concentration can be worn for 8–10 hours or overnight, offering gradual whitening while you sleep.
15% Gel – Balanced Daily Whitening
A popular all-rounder that balances comfort and effectiveness. Typically worn for 4–6 hours per day, making it suitable for consistent, steady whitening.
20% Gel – Faster Daily Results
Designed for those looking to target moderate staining more efficiently. Usually worn for 2–4 hours daily, while still maintaining good comfort levels.
35% Gel – Shorter Treatment Sessions
A higher-strength option suited to more experienced users. Wear for around 30–60 minutes per day for quicker visible improvements.
45% Gel – Maximum Strength Whitening
The most concentrated option in the range. Best for more noticeable staining and shorter treatment times, typically 15–30 minutes per day.
How to Use Opalescence Teeth Whitening Gel
For best results, follow a simple routine:
- Apply: Add a small bead of gel into each section of your custom tray
- Wear: Insert trays and wear according to the recommended time for your chosen strength
- Clean: Remove trays, brush teeth gently, and rinse thoroughly
- Store: Clean trays with cool water and store safely for future use
Is Opalescence teeth whitening gel safe?
Opalescence whitening gel is widely used in professional dental settings and at home. When used as directed, it is designed to whiten teeth while supporting enamel through its PF formula.
How long does Opalescence gel take to work?
Many users begin to notice visible improvements within a few applications, with more noticeable results typically developing over 1–2 weeks depending on the strength used.
Which Opalescence strength should I choose?
Lower strengths such as 10% or 15% are often preferred for longer wear times or sensitive teeth, while higher strengths like 35% or 45% are used for shorter sessions and faster results.
Can I use Opalescence gel overnight?
Yes, lower strengths (such as 10%) are commonly suitable for overnight use, while higher strengths are designed for shorter wear times.
Does Opalescence work on all stains?
Opalescence gel is designed to improve the appearance of common surface stains caused by food, drinks, and lifestyle habits. Results may vary depending on the type and severity of staining.
Additional information
| Select Strength | 10%, 15%, 20%, 35% |
|---|---|
| Select Amount | x2 Syringes, x4 Syringes, x6 Syringes, x8 Syringes |
| Select Flavour | Mint, Melon, Unflavoured |
Complete your treatment
Add whitening trays to your routine
Whitening gel is often supplied without trays. Add a reusable set that can be moulded at home for a comfortable fit.
Home Teeth Whitening Trays Moldable Mouth Trays Compatible With All Gels
- Four reusable mouldable trays
- Two hygienic storage cases
- Compatible with whitening gels
Questions before you order?
Clear answers on options, trays, packaging, delivery and returns.
Compare the active ingredient, percentage, recommended wear time and your previous experience rather than percentage alone. Choose the exact strength in the options above and ask a dental professional if you are unsure.
Most whitening-gel refills do not include trays and are intended for use with suitable fitted trays. The product description and selected option will state when trays or other accessories are included.
The option selected above controls the strength, size or pack quantity supplied. Product-gallery images may show the manufacturer's full retail presentation, so always confirm the selected option before adding to cart.
Read the supplied warnings and directions before use. Stop if you experience unexpected discomfort or irritation and ask a dental professional for advice before continuing.
Brand packaging can change by market or manufacturing batch. We aim to keep imagery current; the product title and selected option are the best guide to the item, strength and quantity ordered.
Available destinations, services and prices are shown at checkout. Eligible unused, unopened items may be returned within 30 days; opened hygiene-sensitive products cannot be returned unless faulty. Contact us before returning an item.