Crest blue light reviews

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Crest 3D Whitestrips Professional White with Hydrogen Peroxide + LED Light Teeth Whitening Kit - 19 Treatments


Want to whiten your teeth at home? Crest 3DWhitestrips Professional White + LED Accelerator Light is designed to whiten like a professional-level teeth whitening treatment at home. The LED Accelerator Light works to weaken stains so that the whitening ingredients inside Crest 3DWhitestrips can work more effectively to remove stains. In fact, this technology works just like the LED teeth whitening technology dentists use. Plus, the Advanced Seal Technology's comfortable, no-slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while whitening your teeth. Made by the #1 dentist-recommended at-home teeth whitening brand, Crest 3DWhitestrips Professional White + LED Light will give you a 100% noticeably whiter smile, guaranteed. This enamel-safe, at-home teeth whitening kit will make your teeth 30 levels whiter. Simply apply Crest 3DWhitestrips Professional White for 60 minutes a day (plus 5 minutes for the LED Accelerator Light) for 19 days. This pack includes 38 teeth whitening strips, 19 for your top teeth and 19 for your bottom teeth, and a wireless LED accelerator Light to be used over the course of 19 days.

Crest 3D White Whitestrips with Light, Teeth Whitening Strips Kit, 10 Treatments, 20 Individual...

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Teeth whitening is the most requested dental treatment today, but it’s expensive and time consuming for your dentist to carry out in-office.  Crest 3D White Whitestrips With Light (view on Amazon) offer an affordable at-home solution, giving you results which last an astonishing 3 years.

According to the ADA, the teeth whitening industry is growing fast. This is unsurprising, because we are hardwired to see a white smile as a sign of youth and good health.  

Teeth are naturally white – aging causes yellowing, and smoking or drinking tea, coffee or red wine causes staining. A great smile is also a sign of success and confidence, with over 70% of people believing that a winning smile can be a deciding factor in career advancement.

Despite being the most requested dental treatment, teeth whitening is not without risk. So it’s important to devote time into making sure you get the safest and best result possible.

And that’s what we’ve done for you in this Crest 3D White Whitestrips with Light review.

Pros and Cons of Crest 3D White Whitestrips with Light:


Crest 3D White Whitestrips with Light, Teeth Whitening Strips Kit, 10 Treatments, 20 Individual...
  • Light technology breaks up stains, making the bleach work more effectively.
  • Results last up to 36 months
  • Removes up to 6 years of stains
  • Advanced Seal Technology means no slipping
  • Enamel-safe technology


  • Strong, so can cause sensitivity.
  • Longer treatment time than regular strips – one hour for the strips plus 10 minutes for the light.

Crest 3D White Whitestrips with Light are Crest’s most effective whitening product with long lasting results.  Application is simple but does require an hour and 10 minutes a day (for 10 days).

Four things you need to know about Crest 3D White Whitestrips with Light

1. Do Crest 3D White Whitestrips with Light work?

As with nearly all whitening strips, these whitestrips work using a type of enamel-safe bleach, called hydrogen peroxide. The hydrogen peroxide is delivered to the core of the tooth, and breaks down the colors within the tooth, bleaching away years of staining and discoloration.  

The difference with Crest 3D White Whitestrips with Light is they combine whitening strip technology with blue LED light technology to dramatically improve the effectiveness of the whitening strips.  

The combination of Crest’s specially engineered advanced blue light technology with the same whitening ingredient used by your dentist delivers faster results than using whitening strips alone.  This is because the light weakens and breaks up yellow stains. This not only speeds up, but radically boosts the whitening power of the enamel-safe whitestrips.

If you follow the instructions correctly, Crest 3D Whitestrips With Light can take the brilliance of your smile to a level that lasts for up to 3 years, after only 10 days of use.  And at a fraction of the cost of professional in-office treatment.

For added convenience, Advanced Seal technology holds the whitening strips securely in place, meaning you can move around talk and even drink water during application (view details).

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2. Are Crest 3D White Whitestrips With Light Safe?

All Crest 3D White Whitestrips use hydrogen peroxide as the whitening agent. This is the same enamel-safe whitening agent is used by dentists worldwide. 

The stronger a whitening product, the higher the risk of tooth sensitivity is. Those with sensitive teeth are likely experience some irritation.  However, this is usually temporary and using specialist toothpaste for sensitive teeth will reduce the irritation. Rest assured that even if you do experience sensitivity, the bleaching agent will not alter or damage your teeth when used as directed.

If you do have very sensitive teeth you may wish to opt for Crest 3D Gentle Routine Whitestrips which are specially formulated to be gentle on teeth and gums.  As always, consult your dentist before starting a new treatment.   

3. How soon can you expect results?

Crest 3D White Whitestrips with Light should be used daily for 10 days, not as one off treatments.  Some users report noticeable results after the first application.  Full results should be achieved after the 10 day period if you follow the instructions properly. And Crest offer a whiter smile or money back guarantee.

Bear in mind that teeth whitening kits do not work in the same way for everyone.  

Yellow teeth typically respond well but gray teeth are very difficult to bleach and may require an alternative approach. Also, heavy smokers or tea drinkers might get different results from non-smokers who avoid tea and coffee.

It’s also important to remember that whitening products only work for natural teeth. If you have crowns, caps, veneers or fillings, the color of these will not be altered. Using whitestrips with dental restorations may result in a color mismatch.

For best results, always consult your dentist who can guide you to the best product for your teeth.

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How to use Crest 3D Whitestrips with Light

  • Peel the upper strip from the liner.
  • Apply the gel side to your upper teeth, following the gumline. Press gently for good contact and fold the rest of the strip behind teeth. Repeat for lower teeth.
  • Leave on for 60 minutes – you can drink water and talk without any slippage
  • After 60 minutes, turn on the light device and hold it against the top strip until the light automatically turns off.  Then repeat the process for the bottom strip. This will take a total of no more than 10 minutes.
  • Remove the strips by simply peeling off and discard.

4. How long will results last?

The longevity of results depends on each individual person – diet and oral hygiene are contributing factors. Cigarettes, coffee and red wine are widely known to stain teeth. If you indulge in these frequently, results will not last the maximum amount of time. Otherwise, you can expect your results to last up to 36 months – the longest results available from a DIY product.

Four tips to optimize your results

1. Avoid staining culprits (especially during treatment period)

Coffee, red wine and smoking are well known culprits, but other
foods that stain include curry, balsamic vinegar and dark sodas. Your teeth are
particularly susceptible during the course of your treatment. Limiting your
intake during this time can significantly improve results.

2. Rinse with water

If you just can’t resist that glass of red wine, simply rinse your
mouth with water immediately after to prevent stains from settling in.

3. Clean your teeth

Great oral hygiene is critical to maintaining a beautiful smile.
Always brush your teeth for 2 minutes twice a day, and don’t forget to floss to
remove build up from those hard to reach areas.   If you experience any sensitivity, use a specialist toothpaste like Sensodyne during the treatment period.  For ultimate results, try water flossing with the Waterpik Whitening Water flosser. It’s fun, effective, and helps to maintain a dazzling smile.

4. Visit your dentist regularly

Who better to help you maintain a great smile than a person who is
trained to do it? Keep up your regular 6 monthly check-up and you’ll be able to
maintain a white, bright and healthy smile all year round.

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What’s in the box?

The Crest 3D White Whitestrips With Light Kit comes with:

  • 10 whitestrips for the upper teeth
  • 10 whitestrips for the lower teeth
  • 1 whitening light

Are Crest 3D White Whitestrips with Light worth it?

If you want dazzling results that really last then this kit is a smart choice.  Crest 3D White Whitestrips with Light are an affordable alternative to professional in-office whitening.  This blue light system breaks down stains and maximizes the whitening potential of the strips giving professional results.  The light is lightweight, water resistant and easy and convenient to use.

Frequently Asked Questions

What will happen if I use the light longer than directed?

With any whitening product, sensitivity and gum irritation is a possible side effect. As the light enhances the effects of the peroxide, using the light for longer than recommended can cause additional sensitivity and irritation. Always use a whitening product as directed by the manufacturer.

Can you change the battery in the light?

No – the battery is not replaceable. The device is designed to function only for the duration of one treatment (10 days). This means that once the light runs out of charge, you will need to purchase a new kit.

Do whitestrips expire?

Yes whitening strips do have an expiration date which can be found on the box. While the safety of the product isn’t compromised after this date, the effectiveness of the whitening agent may be reduced.

Should I remove the whitestrips before using the light?

No, the whitestrips should be left on while using the light.

Can I use different whitestrips with the light?

For the best and safest results, whitening products should only be used as directed by the manufacturer. Also, the light is only designed to last for one treatment period (10 days).

Do Crest 3D whitestrips cover all of your teeth?

No, Crest 3D Whitestrips are designed to treat only visible teeth. This means that they will extend to cover around 6-8 teeth on the top and around 6 teeth at the bottom. The whitestrips do fold around the back of the tooth, but only for security, and will not give full coverage behind the teeth.

How often can I use this product?

Crest recommend that this product is not used more than twice a year. This should be no issue, as whitening results last 36 months and beyond.

Last update on 2021-10-12 / Affiliate links / Images from Amazon Product Advertising API

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CrestWhitestrips with Light Review - Edit Seven - Gracie Carroll

Trust me, I know first-hand how hard it can be to give up coffee and red wine (two of my favourite things!) just to maintain a bright, white smile. Personally, I don’t believe in having to give up things I love just for my own vanity (and confidence), which is why at-home teeth whitening systems have been a beauty go-to of mine for years.

I would consider myself to be a fairly conscious consumer when it comes to my beauty products, and beyond the quality of the ingredients. I like to know as much as I can about what I’m putting on and in my body. There’s absolutely no exception when it comes to my teeth and oral health, so, like many of you, I’ve often wondered about how safe whitestrips really are, and how they work.

This all changed when I had the opportunity to meet the creator of Crest Whitestrips, Paul Sagel, at an event to launch the new Crest 3D White Whitestrips and Light last fall. Admittedly, it was a bit of a ‘Romy and Michele High School Reunion’ moment when I was like “Oh yeah, there is actually an inventor of Crest Whitestrips!”

Between Crest Whitestrips inventor, Paul Sagel, and his colleague, Sherrie Kinderdine, a Crest Global Innovation Leader, I’ve learned some fun facts and tips about using Crest Whitestrips (especially the new Crest 3D White Whitestrips with Light) that have made me even more of a ‘belieber’ in this at-home whitening system.

Keep reading for 7 things you might not know about using Crest 3D White Whitestrips and Light that I learned from Paul and Sherrie:

CrestWhitestrips with Light Review - Edit Seven - Gracie Carroll

Paul’s Curiosity Lead To Creating Whitestrips

According to Sherrie, Paul once told her that his curiosity around kidney dialysis membranes is what inspired him to try to create a thin flexible film for whitening. She’s a big fan of this fact because, as she says, “it’s these types of seemingly unrelated things that can sometimes result in the biggest innovations!”

The Light Is Biggest Innovation Since Whitestrips

The new blue light device that comes with the new Crest 3D White Whitestrips with Light product pack is considered to be the most innovative addition to the Crest Whitestrips lineup. The unique blue light system using the same type of light technology used by dentists and provides results that whiten 2x better than a professional treatment.

CrestWhitestrips with Light Review - Edit Seven - Gracie Carroll

Whitestrips Have Come A Long Way Since 2008

Even though being able to isolate and stabilize hydrogen peroxide in a flexible thin film was revolutionary at the time, the first strips that hit the market were, according to Sherrie, ‘quite slippier and didn’t provide the consumer with the best experience.’ Of course now we’re able to enjoy thing Whitestrips that stick to your teeth and don’t move around while you whiten!

People with Sensitive Teeth CAN Use Whitestrips

As someone with sensitive teeth, whitening while avoiding sensitivity issues has always been my biggest concern. Paul and Sherrie recommend that if people experience sensitivity when whitening, the best solution is to either shorten the wear time or skip a day until the sensitivity resolves. Some people are a lot more sensitive than others and therefore, it can take longer for their teeth to adjust.

3D White Whitestrips with Light Gets The Best Results

At this point you might be wondering, do I really need to spend the extra cash for the Light when I can purchase a cheaper kit without it? Without a doubt, Sherrie recommends buying Crest 3D White Whitestrips with Light over other whitening strip products because, for just a bit more money, you can get a dramatic boost in your whitening results that last 36 months, longer than strips alone. When whitening, you want to make sure you’re going to get the very best results possible, don’t you?

CrestWhitestrips with Light Review - Edit Seven - Gracie Carroll

The Pros Use Strips Every Week for Maintenance

So how often should you be using Whitestrips to get that pearly white smile? This is something I wanted to know, so I asked Sherrie about her own personal routine. She says she uses a full kit for special occasions and one or two strips a week for maintenance.

Do You Have To Avoid Coffee and Wine Forever?

If you read the intro to this post (which I hope you did, considering that’s how you got all the way here) then you’ll know that giving up coffee and wine for a white smile is not an option in my books. I mean, why give them up when you can have the best of both worlds? I loved Sherrie’s tips for dealing with red wine stains and your white smile. She says finds putting lip balm on helps avoid turning her lips purple, and she brushes with Crest 3D White Brilliance toothpaste and puts on a Whitestrip as soon as she gets home to maintain her white smile.

CrestWhitestrips with Light Review - Edit Seven - Gracie Carroll

For more information on Crest 3D White Whitestrips and Light please click HERE!



(Story by Editor-in-Chief, Gracie Carroll)

*please note that this post has been brought to you thanks to a paid partnership with Crest, all thoughts and opinions are our own*

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If I were a social media influencer for 24 hours, I imagine my day would go something like this: Post adorable athleisure photo with a FabFitFun promo code, snap some #ootd photos in which I appear to be giggling at something off-camera while clutching a mug of coffee (which I rarely drink, but it's relatable), take a nap, and then start a live Instagram video in which I share my beauty secrets with my loyal followers. My visually arresting lineup of products would most certainly include the Crest 3D White No Slip Whitestrips With Light, the brand's fan-favorite teeth-whitening strips plus a palm-size round disc with a concave strip of blue lights that, after wearing the strips for a full hour, you beam on your teeth for about five minutes.

In reality, I’m never going to post an #ootd, and I don’t need my products to be visually arresting. But I still use Crest’s light-up invention, because, quite simply, it’s efficient. One 10-treatment package (I use the strips only every other week) lasts me half the year and keeps my teeth at a constant level of whiteness, despite my recent obsession with having tea every day at work.

The strips are some of Crest’s best yet — they’re sturdy and grip strongly to the surface of my teeth so they don’t end up slowly, sadly slipping and dangling from my teeth like others I’ve tried. It’s easy to wear them for a full hour while I hit the gym or chat with my mom on the phone (things I’d never attempt with wimpier strips). They do, like any hard-core teeth whitening system I've ever tried, make my teeth feel sensitive if I use them on back-to-back days, so the most frequently I'll use them is every other day, even when I'm trying to really ramp up my results. Otherwise, I'd be relegated solely to room-temperature drinks for a few days following.

The blue light is a little less easy-breezy. It’s cool to light it up, but when I insert it in my mouth, I look more like a teenage orthodontic patient than a member of the Insta-elite. But it’s worth it to get the extra whitening boost (the blue light helps break up stains so the peroxide in the strips works better) without a trip to the dentist’s office.


Reviews light crest blue

I Didn’t Believe At-Home Teeth Whitening Kits Really Worked—Until I Tried This One

We purchased Crest 3D White Whitestrips with Light Teeth Whitening Kit so our writer could put it to the test. Keep reading for our full product review.

Whether you can’t function without your morning coffee or have an unwavering love for red wine, there are a number of factors that might cause your pearly whites to end up, well, not so pearly over time. Many dentists offer an effective treatment for fading pesky stains and brightening your smile, but not all of us are willing to shell out the big bucks to visit a professional.

Luckily, there are plenty of at-home whitening products out there—from toothpastes to whitening pens to full-on treatment kits—available at a variety of price points. The most popular of them all? Crest’s Whitestrips family of products.

The brand's latest iteration, the Crest 3D White Whitestrips with Light—which features both the classic Whitestrips and a handheld blue light device—is designed to be the brand’s most effective treatment kit yet. To see if it lived up to the hype, I put it to the test myself. Read on for my review.

Crest 3D White Whitestrips with Light

Uses: Teeth whitening, stain removal

Star Rating: 4.8 / 5

Active Ingredients: Crest doesn't list an active ingredient, but the product description reads, “The active ingredient in Crest Whitestrips is the same as what you’ll find at your dentist’s office.” Hydrogen peroxide, which the product includes, is one of the two chemical agents typically used in tooth whitening products.

Potential Side Effects: According to the brand, this product may cause mild tooth and gum sensitivity, and they do not advise use if you have oral cancer, are being treated with photodynamic therapy by your doctor, are taking light-sensitive medications that include aminolevulinic acid or porphyrin, or are sensitive to light.

Price: $82

About the Brand: Crest is an oral hygiene and care brand under the Proctor & Gamble umbrella known for its toothpaste, mouthwash, and at-home teeth whitening products.

About My Teeth: Slight staining

I’d like to think I take pretty good care of my teeth, brushing at least twice a day with clean toothpastes, such as Wildist’s Brillimint All Day Natural Toothpaste or Burt’s Bees’ Charcoal Peppermint Fluoride Toothpaste, and flossing (pretty) regularly. However, my affinity for coffee and a college smoking habit has definitely taken a slight toll on my once-pearly whites, resulting in yellowing and staining on my canines and premolars. Years back, I tried drugstore whitening toothpastes without any success, and ever since, I've been curious to explore other options that would actually fade stains and even out my smile.

How to Use: It's pretty easy

Crest’s 3D White Whitestrips with Light Teeth Whitening Kit was pretty straightforward and, more importantly, didn’t require me to take much time out of my day. For 10 consecutive days, either while getting ready in the morning or during my evening Netflix binge, I applied both the upper and lower whitening strips, which covered both sides of my front teeth back to my first premolar. As per the directions, after an hour, I kept the strips on for another 10 minutes while holding the small blue light device up to my upper and lower teeth for five minutes each, then removing the strips. Bonus: the light has an automatic shut-off to signal when each five-minute treatment is finished, so there’s no need to watch the clock.

Crest 3D White Whitestrips with Light

Crest3D White Whitestrips with Light$82


Ingredients & Technology: Blue light is key

There’s no denying that Crest’s Whitestrips products are effective; its original whitening kit wouldn’t have earned the American Dental Association official seal of approval if they weren’t. Whitestrips use the same ingredient that dentists use for professional treatments—hydrogen peroxide—and this latest iteration gets a powerful boost from a specially engineered blue light device. When the strips are used together with the blue light, the treatment promises to penetrate your tooth enamel more effectively to help weaken stains.

The Feel: Comfortable to use

Whitestrips are dry to the touch, but a gel-like substance formed around my teeth once I applied them. The no-slip grip technology kept them in place in my teeth, though, which I liked. Once I removed the strips, I found that they left behind a gunky residue.

The blue light device is super lightweight and the perfect size to cover your front teeth while fitting comfortably in your mouth. 

The Taste: Mildly unpleasant

Because Whitestrips stay in place, you can pretty much go about your at-home routine without even noticing them. However, saliva can cause some of the product to leak onto the tongue over the course of the hour you wear them, which can lead to a mild bleach taste and a temporary tingling effect on your tongue. However, I only noticed this a couple of times during my 10-day treatment. My advice? Try not to brush your tongue against the strips during use if you can. 

Brushing: Brush after, not before

While you might feel inclined to brush your teeth before you start a treatment, Crest doesn’t recommend it as it may cause gum irritation once the strips are on. Gently brushing your teeth post-treatment to remove any remaining residue is suggested (and believe me, you’ll want to), which is why you’d probably want to treat from the comfort of your home.

Side Effects: Slight tooth sensitivity

Tooth sensitivity is always a factor to keep in mind when considering a whitening treatment beyond toothpaste, and I did experience a bit of it with this product. While I didn’t feel any discomfort the first few days, I began to notice a slight sensitivity to hot and cold by day four, which intensified to a general mild ache over the course of the rest of the treatment. It began to subside as I approached the end of the 10 days, but even in the first two days after I finished the full treatment, I still experienced a slight sensitivity while eating and drinking.

The Results: Stains faded and teeth noticeably whiter

Don’t be disheartened when you don’t see instant results after your first day. This product truly does work, but it'll take the full 10 days. For me, I didn’t notice any change in my smile at first, but by day five, it was apparent that my stains were beginning to lift. By the time I reached day 10, my teeth were noticeably a few shades lighter, and the staining on my canines and premolars had faded significantly. My smile is much more even overall, which is exactly what I was hoping for—I might just even drop my smize for an actual teeth-baring grin to show off my new pearly whites.

But the real question: Does this kit live up to Crest's claim that results last up to 36 months? Only time will tell. Currently, I'm approaching the five-month mark, and despite the fact that I still drink coffee every day, my teeth have remained stain-free and noticeably brighter. They're not as *shockingly* white as they were immediately after the testing period, but they're still perfectly even in tone without any staining around my past problem zones, which is what's most important to me.

The Value: Worth the price

This product retails for around $100, though you may be able to find it on sale at retailers like Amazon. Either way, spending close to a hundred bucks on an at-home teeth whitening product might not be considered budget-friendly necessarily, but this product is certainly more affordable than professional treatments and yields similar results. Sure, the average drugstore whitening toothpaste will only cost you between $5 and $10, but the results are nowhere near as dramatic. You’re getting what you pay for, and in my opinion, it’s a steal. 

Similar Products: The best out there

There are a slew of different whitening kits available today, including a number by Crest itself. Why choose this one over another, especially when the brand’s original, the Crest 3D White Luxe Whitestrip Teeth Whitening Kit, earned official approval from the ADA?

The answer, for me, is efficacy and longevity. The original kit claims to last at least six months, while this kit claims to last for up to three years. Sure, the light kit requires a little over an hour a day to work compared to the original kit’s 30 minutes, but for $30 more, it promises full results in just 10 days (compared to the original kit's 14) and is expected to last much longer.

Our Verdict: Strong results for an at-home kit

Crest’s 3D White Whitestrips with Light Teeth Whitening Kit is the real deal. For just a fraction of what you’ll spend at the dentist, this kit will dramatically whiten your smile and lift stains in just 10 days—with minimal effort required!

CREST WHITENING EMULSIONS LED REVIEW/New Crest Whitening Emulsions Kit with LED Light Alternative

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