How Long Do Teeth Whitening Strips Last?

Written by Dr. Brian Harris

August 07, 2023

Everyone desires a bright, stunning smile. Thanks to advancements in dental technology, attaining a prized set of pearly whites is more accessible than ever. Among the popular teeth whitening options, teeth whitening strips have gained a special place due to their effectiveness, affordability, and ease of use. 

But you might have a question in mind: How long do teeth whitening strips last? This article will provide you with insights into how teeth whitening strips work, how to extend their lifespan, and everything else in-between. Grab a cup of coffee, and let's get started.

What this article covers:

How Long Do Teeth Stay White After Whitening Strips?

How long your teeth stay white after using whitening strips all depends on you. 

Here's how teeth whitening strips work. Teeth whitening strips are thin, flexible strips coated with a peroxide-based gel. When applied to the teeth, the gel penetrates the enamel and breaks up stains to lighten your teeth’s appearance.

The duration of the effects produced by teeth whitening strips varies according to the whitening agent concentration and your dental hygiene routine. The results of teeth whitening strips generally last anywhere from 3-6 months, with higher-quality products potentially providing longer-lasting results.

how long do teeth whitening strips last

How To Use Whitening Strips Effectively To Get Longer Lasting Results

Figuring out how long teeth whitening strips last depends on how you use them. Based on our observations, there are a few practical tips to get the best and longest-lasting results from your whitening strips. 

Consistency Matters

To get that Hollywood smile, using teeth whitening strips consistently, as per the product's instructions, is crucial. Apply them once or twice daily for the recommended period (usually two weeks), or you could end up with lackluster results. Remember, consistency is key to a dazzling white smile! 

Brush Your Teeth Prior to Application

For the best results, give your pearly whites a good brushing before applying teeth whitening strips. This helps remove any plaque or food particles that could hinder the effectiveness of the product. Also, remember to dry your teeth when applying whitening strips to allow the gel to stick properly.

However, one question still remains: Should you brush your teeth after whitening strips? Based on our first-hand experience, brushing your teeth after using whitening strips is prudent. It removes any residual gel and suppresses the whitening agent's action while preserving the color of your newly whitened teeth.

Avoid Uneven Whitening

For a dazzling smile, apply the teeth whitening strips evenly on the surface by coating the front of each tooth. Uneven application may leave white patches on teeth after whitening strips, an undesirable outcome that is easily avoidable.

how long to keep teeth whitening strips on

Use Teeth Whitening Strips in Moderation

Although it's natural to yearn for the whitest possible smile, overusing teeth whitening strips can have negative consequences, like tooth sensitivity or damage to the tooth enamel. Always follow the recommended usage guidelines provided on the product packaging.

Avoid Contact With the Gums

Take care to avoid contact between the teeth whitening strips and your gums. The whitening gel can cause irritation if it comes into contact with sensitive gum tissue. Position the strips carefully on your teeth to minimize this risk.

Do Not Consume Dark Food or Beverages After Whitening

For a few hours immediately after using teeth whitening strips, we recommend you don’t consume dark-colored foods and beverages (like tea, coffee, red wine, or soy sauce), as they could stain your freshly whitened teeth.

how long does teeth whitening strips last

Another overarching question people ask is, ‘How long after using teeth whitening strips can I eat?’ Well, the best time of day to use teeth whitening strips is just before bedtime. They work while you sleep and prevent contact with any potentially staining foods or drinks. Now, you can enjoy your favorite breakfast without worrying about staining your teeth.

What Types of Teeth Whitening Can I Choose From?

Over-the-Counter Teeth Whitening Products

Over-the-counter products like whitening strips, teeth-whitening mouthwash, whitening kits, foam whitening toothpaste, whitening powder for teeth, and a whitening toothbrush are affordable alternatives for achieving a whiter smile. They're convenient, easy to use, and can provide visible results quickly at home.

From our first hand-experience, the best whitening strips, like Sensitive Snow Strips™ Dissolvable Teeth Whitening Strips With SnowActives™, contain ingredients that gently break down stubborn surface stains and remove them from the tooth enamel. The strips are thin, flexible, and moldable, so you can wear them throughout the day or overnight while sleeping.

how long do teeth stay white after whitening strips

Others, like Sensitive Magic Strips, work well on sensitive teeth thanks to its soothing lavender and mint flavors and 14 whitening treatments that work together to lift stubborn surface stains and maintain a brighter, more radiant smile.

Are Teeth Whitening Strips Worth Your Money?

Cost vs. Strength

Teeth whitening strips are less potent than professional in-office treatments, but they’re more affordable and convenient. They produce comparable results when used consistently and correctly.

Cost vs. Longevity

Compared to once-off professional treatments, teeth whitening strips' effects might not last as long. However, with consistent usage and proper dental hygiene, they can provide long-lasting results at a fraction of the cost.

Cost vs. Convenience

The convenience of using teeth whitening strips at home makes them a popular choice for many users. They can be easily applied and removed, allowing for a flexible whitening routine based on your schedule.

how many weeks do teeth whitening strips last


Teeth whitening strips are affordable and convenient for achieving a whiter smile. However, finding the best products can be a hassle. Use SNOW's advanced teeth whitening strips for the best results in the shortest amount of time.

Our premium-grade products contain unique active ingredients, making them stronger and more effective than regular whitening strips. With SNOW’s innovative teeth whitening systems, you can achieve a brighter, whiter smile on your own terms. Try them today!

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