Review: Sparkling White Smiles 35% Dental Strength Teeth Whitening Gel



Last updated: July 1st, 2026

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Table of Contents

Product Overview

Manufacturer: Sparkling White Smiles Dental Lab
Item Number: 435GEL
Price: $29.99
Special Offer: Add an extra 2 gels for a discounted price

Product Description

  • Package includes four 3ml syringes of the 35% Professional Strength Teeth Whitening Gel
  • Low sensitivity formula ensures fast results in just 3-5 days
  • Premium strength gel that's enough for initial whitening and ongoing maintenance for up to two years
  • Gel's thick consistency ensures it remains on the teeth and within the tray
  • Has a shelf life of up to two years when refrigerated
  • 100% satisfaction guarantee

About Sparkling White Smiles Professional Strength Teeth Whitening Gel

  • Each order provides four 3ml syringes filled with 35% Carbamide Peroxide
  • Enough gel for up to 120 complete applications (upper & lower arch)
  • Very low sensitivity with extremely fast whitening results in 20-40 minute sessions
  • Premium quality with a thick formula for superior adhesion and immediate results
  • Safe, simple, and widely used by dental professionals worldwide

Benefits

  • Outlasts laser teeth whitening by 12 times
  • 12 times stronger than over-the-counter whitening strips
  • Custom trays provide even whitening
  • Most cost-effective method available
  • Free shipping and 100% satisfaction guarantee
  • Endorsed by the professional dental community

Ingredient Highlights

  • Xylitol: A natural sweetener derived from vegetable sources. Helps reduce tooth decay and treat dry mouth.
  • Glycerin: Effective at delivering teeth whitening agents deep into the enamel for fast results.
  • Urea / Hydrogen Peroxide: Acts as a gentle bleaching agent, ensuring gleaming white teeth after use.
  • Carbomer: Whitening agent that works by oxidizing, unlocking your teeth's whitest shade.
  • Mentha Piperita (Peppermint) Oil: Provides a refreshing taste and has medicinal benefits.

Additional Facts About Our Whitening Gel Formulas

  • Clinically proven
  • Vegan, gluten-free, cruelty-free, and non-GMO
  • Free of latex, parabens, sulfates, PEG, and PPG

FAQs

Do the gels come with trays?

For optimal results, custom teeth whitening trays are recommended for use with our gel.

Can I use the gel with my grinding guard?

While it's possible to use the gel with a custom night guard, for best results, we recommend custom-made teeth whitening trays. The trays ensure even application and optimal whitening.

Customer Reviews

"Great buy"
- November 26, 2021, by Albert P., California, US

"doesn't taste that bad... better than dentist"
- June 23, 2021, by Mikey

"Love this teeth whitening gel. More effective than others I've tried. Very effective and well-priced."
- Review by Mikey

"I had great results with this teeth whitening gel after receiving my custom trays and gels."
- May 7, 2021, by Anne

Buy here

2026 Update

This review was checked and updated for 2026. Browse all our tested mouthguards, night guards, and dental picks in the Mouthguard Store guide.


Overall Rating: 4.7 / 5


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