What is the blue gel in teeth whitening kit

by:GlorySmile     2023-06-12

What is the Blue Gel in Teeth Whitening Kit?

Teeth whitening has become a popular cosmetic procedure over the years, and several products offer at-home teeth whitening options. One of the most commonly used teeth whitening kits contains a blue gel that is applied to the teeth before the whitening treatment begins. But what is this blue gel, and how does it help whiten teeth? In this article, we'll explore the blue gel's role in teeth whitening and how it works.

Understanding the Blue Gel in Teeth Whitening Kit

As mentioned, the blue gel is an essential part of at-home teeth whitening kits, which usually come in the form of a tray or a strip that adheres to the teeth. The gel is applied to the tray, and the tray is then placed over the teeth to whiten them.

The gel's blue color does not have any significance in the teeth whitening process; rather, it serves as a color contrast. The blue gel helps to highlight the areas where the teeth are stained, making it easier for you to apply the gel evenly for more effective teeth whitening results.

How Does the Blue Gel Work in Teeth Whitening?

The blue gel has two primary functions in teeth whitening. Firstly, it helps to protect your gums from the harsh chemicals used in the whitening process. Whitening gels contain hydrogen peroxide, which, in excessive amounts, can lead to various gum problems. The blue gel creates a barrier between your gums and the whitening gel, preventing it from coming into contact with your gums and causing irritation.

Secondly, the blue gel helps to dehydrate the teeth and open up their pores, making it easier for the whitening gel to penetrate the enamel and remove stubborn stains. The blue gel has an osmotic effect, which pumps water out of your teeth, leading to dehydration. This allows the whitening gel to penetrate the teeth better and work more efficiently.

The Five Subtopics You Should Know About the Blue Gel in Teeth Whitening Kits

1. Why is the Blue Gel Necessary for Whitening Teeth?

The Blue Gel provides multiple benefits when used during at-home teeth whitening. One of its primary functions is a contrast to highlight the stained parts of the teeth. Secondly, it serves as a barrier to safeguard your gums from the harsh chemicals present in the whitening gel.

2. What is the Composition of the Blue Gel?

The composition of the blue gel depends on the manufacturer. Still, typically, it contains water, carbamide peroxide or hydrogen peroxide, glycerin, and other proprietary ingredients like flavoring agents, polysorbate, sodium hydroxide, sodium saccharinate, and citric acid. The blue color is generated using a blue food dye.

3. Can You Chew the Blue Gel?

No, you should not chew the blue gel. It is a highly concentrated teeth whitening gel that should be used as directed. Application of too much at once can cause irritation and harm to the teeth and gums. It is best to apply the gel as recommended by the manufacturing guidelines and seek professional advice if modification is necessary.

4. Can the Blue Gel Whiten Teeth by Itself?

No, the blue gel cannot whiten teeth by itself. The blue gel is specially formulated to complement teeth whitening gel. It is crucial to use them together to get the desired results. The blue gel works to dehydrate your teeth and provide better absorption of the whitening gel into the enamel, ultimately resulting in whiter teeth.

5. How Long Should You Leave the Blue Gel On Your Teeth?

The duration of the application of the blue gel varies from product to product and depends on the concentration of hydrogen peroxide they contain. Typically, it would be best to apply the blue gel for 15-30 minutes as recommended. However, follow the manufacturer's instructions provided with the whitening kit you've purchased.


The blue gel is a vital part of the teeth whitening kit and plays a role in preparing the teeth for the whitening process. It dehydrates the teeth, thereby opening up their pores for better results. However, it is best to remember that teeth whitening results can vary on a case-by-case basis, so it is always best to consult a dental professional before making any teeth whitening procedures at home.

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