Updated: 22 Jul 2026

10 Best teeth whitening gel refill for mouth guards of 2026

Explore up to 34% Off

Updated: 22 Jul 2026

#1

Best Choice

Zoom 10% Nite White Carbamide Peroxide Teeth Whitening Gel Complete Kit | 6 x 2.4gram Syringes | Zipper Bag & Mouth Tray Case Included

9.6

Nite White

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Main highlights

VALUE: Each kit contains 6 x 2.4gram dual barrel whitening gel syringes – enough for 18 upper and lower treatments. All kits are supplied in manufacturer packaging and include a Mouth Tray Case and Spa Style Zipper Bag.

SAFE: Studies have proven Zoom will deliver lustrous, smooth and shiny smile whilst being safe for both your teeth and gums. Trusted by over 14 million users worldwide!

EFFECTIVE: Achieve up to 8 shades whiter in just 1-2 weeks with a wear time of 4-6hrs/day. Philips unique ACP Relief formula effectively manages and minimises tooth sensitivity.
#2

Best Value

Zoom 16% Nite White Carbamide Peroxide Teeth Whitening Refill Gel Kit | 6 x 2.4gram Syringes | Zipper Bag & Mouth Tray Case Included

9.5

NiteWhite

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Main highlights

VALUE: Each kit contains 6 x 2.4gram dual barrel whitening gel syringes – enough for 18 upper and lower treatments. All kits are supplied in manufacturer packaging and include a Mouth Tray Case and Spa Style Zipper Bag.

SAFE: Studies have proven Zoom will deliver lustrous, smooth and shiny smile whilst being safe for both your teeth and gums. Trusted by over 14 million users worldwide!

EFFECTIVE: Achieve up to 8 shades whiter in just 1-2 weeks with a wear time of 4-6hrs/day. Philips unique ACP Relief formula effectively manages and minimises tooth sensitivity.
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#3

MySmile Teeth Whitening Gel Refill Pack, 3 Non-Sensitive Tooth Whitening Gel, Deluxe Teeth Whitener Dental Grade for Home, 10 min Fast Result (Excluding Tray Light)

9.4

MySmile

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Main highlights

EXPRESS RESULT: compatible with LED Light Accelerator, express result within 10 mins

EASY TO USE: each gel is securely capped for freshness, squeeze whitening gel into mouth tray with screw-on tip

9 TREATMENTS: kit includes 3 packs 3 ml gel; each gel provide 9 treatments.
#4

Arctic White Advanced Teeth Whitening Refill Pack – 4 x 4.5ml Dental Grade Whitening Gel formulated for use with Arctic White Advanced Teeth Whitening System

9.3

Arctic White

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Main highlights

IN THE BOX – 4 x 4.5ml low sensitivity full size syringes ( safety sealed ), Custom shade guide and detailed Instructions.

HIGH VISCOSITY GEL: Arctic White's high viscosity whitening gel ensures it remains easily held in place within the mouth trays for the entire procedure maximising results while allowing for reduced treatment time. Compliant with ACCC stringent product safety guidelines.

ADVANCED WHITENING FORMULA: Arctic White's Dental grade whitening formula with active ingredients including carbamide peroxide clinically proven to gently eliminate discolouration whilst safe on enamel visibly whitening even the most tarnished teeth. Vegan friendly containing NO parabens, SLS/sulphates, microbeads or artificial flavours.
#5

White Glo Advanced Whitening Serum Refill Gel 75ml

9.0

White Glo

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Main highlights

Whitening kit lifts stains and removes yellowing on the surface of your teeth

Provides you with noticeable results from the first treatment

Offers professional whitening safely and without sensitivity at home
#6

Opalescence 16% Carbamide Peroxide Mint Teeth Whitening Gel Refills | 4 x 1.2ml Syringes

8.9

Opalescence

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Main highlights

SAFE: ADA Certified and ACCC Compliant. Findings have confirmed Potassium Nitrate and Fluoride (PF) help reduce cavities, minimise sensitivity, increase enamel hardness, and improve the overall health of your teeth.

GENUINE: Authentic Opalescence product. Each 1.2ml syringe has an applicator tip. Long expiration dates of up to 2 years when refrigerated between uses.

EFFECTIVE: Powerful and professional-strength gel can provide results after just one treatment, although you should expect to see noticeable results in about a week.
#7

Smile Therapy Kit and Refills – Whiteners Formulated by Dentists Made in Britain | 8 Gel Pods Smile Gel & | 3D LED Light (Refills)

8.8

Smile Therapy

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Main highlights

REVOLUTIONARY 3D LED LIGHT TECHNOLOGY: Utilize the cutting-edge power of 3D LED light in our led teeth whitening kit to enhance the teeth whitener gels process. This advanced technology accelerates the teeth whitening essence for a deeper, more uniform whitening, giving you salon-quality results at home.

QUALITY KIT: Trust in the exceptional British manufacturing standards of our teeth whitening products. Carefully produced to ensure safety and efficacy, this teeth bleaching kit brings professional-grade teeth whitening at home, with advanced teeth whitening trays for convenience.

DENTIST-FORMULATED WHITENING GEL: Crafted by dental professionals, our Home Teeth Whitening Kit features a potent whitening gel and teeth whiteness formula that guarantees a brighter smile. Each kit contains 8 innovative teeth whitening gel refills for consistent, effective results, making it one of the best teeth whitening products available.
#8

Zoom 6% Day White Hydrogen Peroxide Teeth Whitening Gel Complete Kit | 6 x 2.4gram Syringes | Zipper Bag & Mouth Tray Case Included

8.7

Philips
#9

Zoom 6% Day White Hydrogen Peroxide Teeth Whitening Gel Mini Kit 3 x 2.4 gram

8.5

DayWhite

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Main highlights

VALUE: Each kit contains three 2.4gram dual barrel whitening gel syringes – enough for 9 upper and lower treatments. All kits are supplied in manufacturer packaging.

SAFE: Studies have proven Zoom will deliver lustrous, smooth and shiny smile whilst being safe for both your teeth and gums. Trusted by over 14 million users worldwide!

EFFECTIVE: Achieve up to 8 shades whiter in just 1-2 weeks with a wear time of 30-60mins/day. Zoom Day White's unique ACP Relief formula effectively manages and minimises tooth sensitivity.
#10

6pc Smilie Pre-Filled Gel Pen Teeth Whitening Refill Pack Dental Hygiene Care

8.3

SMILIE

-34%

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Main highlights

Value-packed for daily whitening needs

Gentle formula ensures sensitivity-free results

Convenient pre-filled pens for easy use

-34%