whiten teeth with hydrogen peroxide

How to whiten teeth with hydrogen peroxide: Complete Home Remedy!

Hydrogen Peroxide is a very active bleaching agent in teeth whitening solutions. Teeth whitening products are indeed trendy nowadays. But, naturally, a human being constantly searches for cheaper products. As a result, Hydrogen Peroxide is a very inexpensive medium as a teeth whitener.

Hydrogen Peroxide is a standard antiseptic product in the Fast Aid Kit at most homes. This liquid is not only used as an antiseptic but also as a bleaching agent in many products. When Hydrogen peroxide is present in toothpaste, it works as removing common stains on teeth. Though it makes an identical difference when it comes to your pearl white teeth and a captivating smile, people find it very easy to whiten teeth with hydrogen peroxide.

What is Hydrogen Peroxide?

Hydrogen peroxide is a chemical component and an oxidizing agent used for anti-bacterial, disinfectant, antiviral purposes. 

According to Wikipedia, “Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid, slightly more viscous than water. It is used as an oxidizer, bleaching agent, and antiseptic. Concentrated hydrogen peroxide, or “high-test peroxide,” is a reactive oxygen species and has been used as a propellant in rocketry.”


Does Hydrogen peroxide whitens your teeth?

As we claimed before, Hydrogen Peroxide is an excellent bleaching agent, which means it is very good at whitening your teeth. As a result, in lots of teeth whitening treatments, Hydrogen Peroxide is an active ingredient. A higher concentration of whitening chemicals or bleaching agents can speed up the whitening process. Hence, every teeth bleaching product contains Hydrogen peroxide and Carbamide peroxide.

Peroxide is a chemical component that can penetrate the teeth’ layers and removes the compound that discolors your teeth. There are different opinions about the concentration or the proportion of hydrogen peroxide while using it as a teeth solution.

Many people think that a higher proportion can damage teeth enamel. In contrast, you can find a 3% to 40% proportion of Hydrogen Peroxide in the market as teeth whitening products. On the other hand, experts say that lower concentration can naturally remain for a more extended period, which is harmful. In contrast, a higher concentration can damage tooth enamel. For that reason, it’s essential to use proper concentration.

However, as claimed on the internet and used by dentists, it is clear that Hydrogen peroxide whitens teeth.


What does science say?

Science says that excessive use of anything can be harmful. When it comes to chemicals, science is concerned about both actions and reactions both. If you can achieve your desired result using the diluted option, science doesn’t support higher concentration.

The Hydrogen Peroxide bottles from grocery or drugstores or super shops are diluted to 3%-4%. At the same time, commercial whitening solutions have different proportions, up to 10%-15%. However, Science studies support dilution. When it comes to teeth whitening, Strong or higher concentration can be bad for tooth enamel.

According to scientists, intense concentration applied on the teeth for a more extended period can be harmful to outer coating and enamel. So they suggest using lower concentrations for a shorter period. As they proved, 25% of Hydrogen peroxide can do the same as 5% of Hydrogen peroxide. The difference is you have to use 5 % of Hydrogen peroxide for 12-14 days to get the same level of whitening as you reach for 25% of usage at just once. So lower concentration needs to use several times.


Is Hydrogen Peroxide effective for teeth whitening?

Hydrogen Peroxide is a highly effective chemical compound for teeth whitening. It oxidizes when it touches air and makes it effective to prevent germs & bacteria.

In-home or outdoor remedies of teeth whitening solutions may use Carbamide Peroxide. Don’t get confused. Because Carbamide Peroxide whitens your teeth, breaking down into Hydrogen peroxide and urea. These components make acidic reactions and remove stains from your teeth. 

Some people may get offended by the fact acidic reaction may cause a cavity. Don’t get afraid. Dental associations assure that these whitening products contain a max of 10% of Hydrogen Peroxide, which won’t take any risk for tooth enamel. 

whiten teeth with hydrogen peroxide

Which kind of stains will it remove?

Hydrogen peroxide is a common household product that helps preserve your beautiful pearl white teeth and prevents stains from your teeth. But, if you don’t use it cautiously, it may cause serious and expensive damage to your tooth enamel.

Let’s know about the stains that Hydrogen Peroxide can prevent:

  • Candy
  • Tomato sauces
  • Tea and Coffee
  • Energy drinks
  • Red wine
  • Blueberries
  • Strawberries and Raspberries
  • Citrus fruits
  • Tobacco
  • Carbonated beverages
  • Smoking
  • Betel leaf etc.

How to use Hydrogen Peroxide?

According to many dental associations, where the dental discoloration is minor, Hydrogen peroxide is sufficient for whitening. But if there is any major issue, you should get some advice from dentists or professionals. After all, compromise is not a word for health.

You can use Hydrogen peroxide in 2 ways.

  1. Using it as a rinse.

  2. Brush with a paste using baking soda and Hydrogen peroxide.

Let’s know about both processes:

  1. Using it as a rinse:  
  • Take half a cup of water & half a cup of hydrogen peroxide.
  • Mix them & pour them into your mouth.
  • Swish it around your mouth, don’t leave any corner.
  • Please do it for 30 seconds to 1 minute.
  • Spit out the mixture and rinse your mouth very neatly.
  • Don’t swallow the solution.


  1. Using it as a paste:
  • Take a small pot and a clean spoon.
  • Start mixing baking soda and Hydrogen peroxide with a clean spoon.
  • Make a thick paste. Use more Hydrogen peroxide if needed.
  • Remember, make it thicker, not sandy. If so, it will cause abrasiveness. 
  • Apply the paste using a toothbrush.
  • Use circular motions to apply, and it’s for at least 2 minutes.
  • Leave it for few minutes to set up.
  • After a few whiles, rinse off the paste and swishing around your mouth that makes sure nothing is left over.
  • Don’t swallow the mixture.

By using these two ways, you will get rid of minor discoloration. But if there causes any issue we recommend you to go to professionals.


Are there any side effects? 

Every chemical compound has side effects because anything with wrong or excessive usage may harm your health. Hydrogen peroxide is not different.

Hydrogen peroxide has perhaps the most common side effect, that’s sensitivity. Sensitivity means to say you can consume any hot & cold food & beverages, extremely sweet dishes, chocolates, and many more. Avoiding these alluring foods may be very disappointing, but the pain after consuming these foods is unbearable. 

Hydrogen peroxide can cause serious damage to the teeth surface, enamel, and gum whether you use it rapidly in high concentration. It can also cause inflammation of teeth roots and infections in delicate parts of teeth structure.

Safety and risks:

Hydrogen Peroxide is effective for teeth, as we claimed before. But eventually, it is a chemical. So obviously, there come some safety issues and risks to consider. When we think about teeth damage, the 1st thing that comes to mind is inflamed gum and enamel sensitivity.  

Some people like to take expert advice. They don’t take the risk of using hydrogen peroxide and do go to the clinic for teeth whitening treatment. According to teeth condition, the dentist may prefer cleaning the surface. Sometimes, your teeth may not have the conditions that teeth surface wouldn’t allow the Hydrogen Peroxide solution to penetrate the teeth equally.

Dentists often check cracks and cavities because cracks can allow the Hydrogen peroxide to penetrate the tooth, which can harm horribly to delicate dentin and gum. It can cause irritation, sensitivity, infection, and many delicate problems.

Whether anyone faces this problem, immediately stop whitening solution treatment, and discuss dentists. 


Eventually, teeth whitening with Hydrogen peroxide is very trendy nowadays. Professionals and dentists also have approved it. So this common household product can be present in your daily life. But use according to your teeth condition and if possible, make dentist’s consultation about the duration to use. If you do so, you will get a fantastic result from this useful chemical compound.



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