PRODUCTS / Whitening Gels / Opalescence / Opalescence 16% REGULAR Carbamide Peroxide 4 x 1.2ml Teeth Whitening Gel Syringes

Opalescence 16% REGULAR Carbamide Peroxide 4 x 1.2ml Teeth Whitening Gel Syringes

Wear Time
Existing Tooth Sensitivity
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Additional options total:
Order total:
4 Syringes Save 26%
6 Syringes Save 30%
8 Syringes Save 45%


  • Safe, easy and speedy results
  • 1 x 4-6hrs/day wear time
  • 3-4 Treatments per syringe
  • Mint, Melon or Regular Flavour
  • Same product available from your dentist

Suited For: Those who only require Opalescence 16% REGULAR Gel.

Looking for Opalescence 16% REGULAR in a Whitening Kit? View our Custom Fit or Thermoforming Kits.

Opalescence Info

Opalescence take-home whitening gel is perfect for people who want a lot of options. With four different concentrations and three flavors, you can wear Opalescence for as little as 30 minutes per day—or even overnight! Opalescence is used extensively throughout the world by millions of dentists and patients as it yields safe results that are truly stunning.

Opalescence whitening gel allows you to achieve professional whitening results at your convenience in a safe, effective, and customized way. Opalescence PF gel contains PF (potassium nitrate and fluoride) which helps reduce sensitivity, caries and strengthens the enamel. You can count on Opalescence providing long lasting whitening results, preventing shade relapse and tooth dehydration from as little as 3-4 whitening treatments.

Opalescence Concentrations
Opalescence Brand
TeleConsult Info

Professional advice, Opalescence teeth whitening and oral care go hand-in-hand and this is why we provide a complimentary TeleConsult with a Registered Dental Practitioner with your purchase. Read more info here.

Expiry Dates & Packaging

2, 4 and 6pk Options are supplied in blister packaging; 8 Syringe option is supplied in Opalescence Box. All options have long expiry dates. Contact us for expiry dates of our current stock.


We recommend using our Step by Step Opalescence Whitening Guide.

  1. Place a small drop of gel into every compartment of the tray for the teeth undergoing treatment.
  2. Insert the tray in your mouth and lightly tap it to adapt the sides to your teeth. Leave the tray in your mouth for the recommended time
  3. Remove tray and use a finger or soft toothbrush to clean any excess gel off your teeth. Rinse your mouth twice being sure not to swallow rinsed gel.
  4. Clean tray with soft brush and cool tap water. Dry and store your trays in a cool place.


  • Use with Custom Fit Whitening Trays.
  • Whiten under the supervision of a dental practitioner.
  • Maintain good oral hygiene and regular dental checkups.
  • Do not eat, drink or smoke during treatment.
  • Do not smoke immediately after treatment – wait for at least two hours.
  • Foods and drinks containing strong colours should be avoided for at least 48 hours after the treatment period or consumed in moderation.
  • Use gel at room temperature.


Store bleach out of the sun and heat. Refrigeration (2°-8°C) is recommended. Do not freeze. Do not use after expiration date.

FREE Standard Shipping (2-6 business days*) on Whitening Products or orders $49+ for Oral Care Products , otherwise a flat rate of $7.99 is charged.
Express Shipping (1-3 business days*) from $10 per order.

Click n Collect
Collect your order from our Gold Coast Office Monday-Friday 9am-3pm (excl. Public Holidays). We’ll let you know when your order is ready for collection, usually within 1-2 business days.

Standard and Expedited options available, pricing and delivery timeframes vary on location.

For more info about Shipping Prices and Timeframes visit our Help Centre.

*timeframes are estimates only, do not consider delays, and are based from the day your order leaves our warehouse, orders exceeding 0.5kg may incur additional shipping charges than indicated above.

Whats the difference between Opalescence 10%, 15% and 16% ?
Simply put – the wear time. The stronger the gel the shorter the wear time. 16% is the strongest gel with the shortest wear time whereas 10% is the weakest requring overnight use.

How many treatments does this last for?
Each 1.2ml syringe lasts for about 3 upper and lower whitening treatments.

Is Opalescence Whitening Safe?
Yes. Our genuine Opalescence product is used by dentists worldwide and has been clinically trialled for safety and effectiveness.

Does Opalescence require an LED light?
No. Professional home whitening products do not require LED lights.


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Product Reviews

Great service. Very speedy delivery and wide range of brands and whitening strengths. Will order again.
Brittany Beer
Brittany Beer
21:01 15 Jun 21
This is my second purchase - and once again, excellent. Wonderful to access genuine products via an easily accessible website! Thank you, and I'll doubtless purchase again.
Tamasin Cox
Tamasin Cox
15:01 25 Apr 21
I have been buying products from House of Mouth on and off for over 6 years, they are always easy to deal with, have a solid range and have very fast shipping.
03:29 16 Feb 21
Great product range, excellent pricing, service and super fast delivery. Very happy with my product
Randall Edwards
Randall Edwards
23:23 31 Jan 21
Large selection of great products meant I got the right product for me! Fast shipping too, even over the Christmas/New Year period!
Deanne Tramantana
Deanne Tramantana
00:42 10 Jan 21
My dentist did not provide a full amount of whitening gel to get through 30 days treatment. The cost of an extra gel from my dentist was high. I looked online and found THE HOUSE OF MOUTH. I ordered three extra gel syringes for the price of one from the dental surgery. Identical products 1/3 of the cost - WOW... THE HOUSE OF MOUTH has a great website and 5 STAR service. Thanks to all at THE HOUSE OF MOUTH.
23:42 21 Nov 20
I don't normally write reviews, but am making an exception for House of Mouth. The reason is that they provide a top notch service at a cost far less than you'd pay at the dentist. It costs a bundle to get a dentist to make those bleaching trays to whiten your pearlies. House of Mouth will do a perfect job for way less. And you don't have to go into an appointment - you can do it all by mail. Dan is lovely to deal with. And the whole process is easy.
Lara Travis
Lara Travis
07:18 26 Oct 20
Sgp Green Circle

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