Skip Navigation

Teeth Insights relies on readers. We may earn commissions when you purchase through our links. Check Affiliate Disclosure

Can I Use Baking Soda To Whiten My Teeth?

Welcome to this comprehensive guide on using baking soda to whiten your teeth. Many people are curious about natural remedies for achieving a brighter and whiter smile, and baking soda has gained popularity as a potential solution. 

In this article, we will explore the effectiveness of baking soda for teeth whitening, its benefits, potential risks, and answer some commonly asked questions to provide you with all the information you need.

Can I Use Baking Soda to Whiten My Teeth?

Baking soda, also known as sodium bicarbonate, is a versatile household ingredient that has been used for various purposes for centuries. Its mild abrasive properties make it suitable for a range of cleaning tasks, including teeth whitening. But can you really use baking soda to achieve a brighter smile? The answer is yes, but with some important considerations.

The Science Behind Baking Soda’s Teeth Whitening Properties

Baking soda, or sodium bicarbonate as it’s scientifically known, has long been recognized for its role in oral hygiene and particularly, teeth whitening. The basis for this popular home remedy lies in its unique physical and chemical properties. At its core, baking soda is mildly abrasive.

But it’s not just about physical scrubbing. Baking soda’s alkaline nature plays a pivotal role in neutralizing the acidic environment of the mouth. Such an acidic environment can make teeth more prone to staining and bacterial growth. Furthermore, some studies indicate baking soda’s potential anti-bacterial properties, which could further reduce discoloration by limiting plaque formation. 

Amplifying its effectiveness, many commercial teeth whitening products pair baking soda with peroxide. Always remembering that while baking soda can assist in teeth whitening, it should complement, not replace, regular oral hygiene practices.

How to Use Baking Soda for Teeth Whitening

Using baking soda to whiten your teeth is a straightforward process. Here’s a simple step-by-step guide:

Create a Baking Soda Paste: 

Mix a small amount of baking soda with water to form a paste. The consistency should be thick enough to stick to your toothbrush but not too gritty.

Apply the Paste to Your Toothbrush: 

Dip a clean, damp toothbrush into the baking soda paste, making sure to coat the bristles evenly.

Brush Your Teeth: 

Gently brush your teeth using circular motions, focusing on the areas with stains or discoloration. Avoid brushing too aggressively to prevent enamel erosion.

Rinse Thoroughly:

After brushing, rinse your mouth thoroughly with water to remove any residual baking soda.

Regular Use: Repeat this process two to three times a week, alongside your regular oral hygiene routine, for best results.


The Benefits of Using Baking Soda for Teeth Whitening

1. Cost-Effective Solution

One of the significant advantages of using baking soda for teeth whitening is its affordability. Compared to professional whitening treatments or store-bought whitening kits, baking soda offers a cost-effective alternative without compromising results.

2. Natural and Chemical-Free

Many commercial teeth whitening products contain harsh chemicals that can cause tooth sensitivity or gum irritation. Baking soda, being a natural substance, provides a chemical-free option for achieving whiter teeth.

3. Versatility

Baking soda is a versatile ingredient that can be used for various cleaning purposes, making it a multi-purpose addition to your dental care routine. Apart from teeth whitening, it can also help freshen your breath and maintain oral hygiene.

4. Mild Abrasive Action

Unlike some abrasive toothpaste formulas that can be harsh on tooth enamel, baking soda offers a mild abrasive action. This means it can remove stains without causing significant damage to the protective layer of your teeth.

Potential Risks and Precautions

While baking soda is generally safe to use for teeth whitening, it’s essential to be aware of potential risks and take necessary precautions:

Enamel Erosion: 

Excessive use or aggressive brushing with baking sodacan lead to enamel erosion over time. It’s crucial to use baking soda in moderation and avoid applying excessive pressure while brushing.

Tooth Sensitivity: 

Some individuals may experience increased tooth sensitivity when using baking soda. If you notice any discomfort or sensitivity, discontinue use and consult your dentist.

Gum Irritation: 

Baking soda may cause gum irritation in some people. If you experience redness, swelling, or any other signs of irritation, stop using baking soda and seek professional advice.

To minimize these risks, it’s recommended to:

  1. Limit the use of baking soda for teeth whitening to two to three times a week.
  2. Use a soft-bristled toothbrush to avoid excessive abrasion.
  3. Follow up with a fluoride toothpaste to strengthen enamel and maintain oral health
  4. Maintain regular dental check-ups to monitor the condition of your teeth and gums.


Baking soda can be a natural and cost-effective option for whitening your teeth. Its mild abrasive properties and alkaline nature make it suitable for removing surface stains and brightening your smile. However, it’s essential to use baking soda in moderation, be aware of potential risks, and consult your dentist if you have any concerns. So go ahead and give baking soda a try, but always prioritize your dental health and consult a professional for personalized advice.


Can baking soda completely whiten my teeth?

While baking soda can help remove surface stains and brighten your teeth, it may not be able to completely whiten them. The extent of whitening varies depending on factors such as the severity of stains, individual oral hygiene habits, and natural tooth color.

Is it safe to use baking soda for teeth whitening?

When used correctly and in moderation, baking soda is generally considered safe for teeth whitening. However, it's important to be mindful of the potential risks, such as enamel erosion and tooth sensitivity. If you have any concerns, consult your dentist before using baking soda.

Can I mix baking soda with lemon juice for better results?

While some people suggest mixing baking soda with lemon juice for teeth whitening, it's not recommended. Lemon juice is highly acidic and can erode tooth enamel. It's best to stick to using baking soda with water or in combination with a fluoride toothpaste.

How long does it take to see results?

The results of using baking soda for teeth whitening can vary from person to person. Some individuals may notice a difference after a few weeks of consistent use, while others may take longer. Patience and regularity are key when using natural remedies like baking soda.

Are there any alternatives to baking soda for teeth whitening?

Yes, there are other natural alternatives to baking soda for teeth whitening. Some options include activated charcoal, hydrogen peroxide, and coconut oil pulling. However, it's important to research and consult your dentist before trying any alternative methods.