nü smiile

Professional Cleaning and Teeth Whitening Kit by nu smiile - Includes Blue LED Light - Visible Results in

4.3(23)

207+ bought in the past month

$69.99

About this item

  • All-In-One Teeth Whitening Kit: Get professional-level whitening at home with the same gel used in thousands of dental offices. This kit includes Tooth Grit for deep cleaning, Xyliprox Whitening Gel, a bamboo toothbrush, a tray, and an LED light––everything you need for a brighter smile.
  • Up to 8 Shades Brighter in Just 22 Minutes: A dentist would never whiten your teeth without a proper cleaning first, and neither should you! Brush with the Tooth Grit for 2 minutes, then apply the whitening gel and use the blue LED light for 20 minutes. See results up to 8 shades brighter in just one use.
  • Same Technology Trusted by Dentists: Why pay $300 for in-office treatments? Our whitening system is licensed from one of the largest dental manufacturers and follows the same process as a professional dental cleaning and whitening treatment.
  • Gentle on Enamel and Sensitive Teeth: Our formula uses enamel-safe perlite technology, providing an effective clean without damaging your enamel. Safe for sensitive teeth while delivering professional-level results.
  • Eco-friendly Oral Care for Everyone: With nu smiile, you’re choosing effective, natural, and cruelty-free products that care for both your teeth and the planet. Enjoy a healthier and natural approach to teeth whitening and oral care with nu smiile!
$69.99

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Product details

Brandnü smiile
Active IngredientsClean Syringe - Water (Aqua), Glycerin, Perlite, Aloe Barbadensis Leaf Juice, Xylitol, Erythritol, Carbomer, Sodium Bicarbonate, Nanohydroxyapatite, Sodium Hyaluronate, Mentha Arvensis Leaf Oil, Peppermint Oil, Calcium Lactate, Zinc Citrate, Flavor, Polysorbate 80, Dipotassium Phosphate, Blue 1, Red 40 White Syringe - Water, Glycerin, Hydrogen Peroxide, Urea Peroxide, Xylitol, Erythritol, Dipotassium Phosphate, Carbomer, Mentha Arvensis Leaf Oil, Polysorbate 80, Potassium Citrate, Disodium EDTA. Calcium Lactate, Zinc Citrate, Aloe Barbadensis Leaf Juice, Neem Leaf Extract. See more
Product BenefitsWhitening
Item FormGel
Number of Items1

Technical specifications

package_dimensions9.72 x 6.93 x 2.09 inches; 5.29 ounces
date_first_availableMarch 3, 2025
manufacturerSpa Dent Inc.
best_sellers_rank#757,814 in Health & Household ( See Top 100 in Health & Household ) #1,101 in Teeth Whitening Kits

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Customer reviews

4.323 ratings
★★★★☆

Easy to Use Teeth Whitening System With Noticeable Results

JoseDecember 1, 2025

This whitening kit is easy to use and the LED light fits comfortably. I like that it comes with plenty of treatments, and the gel doesn’t feel too harsh. The only thing I really wish is that they would list the percentage of carbamide peroxide, because that matters when comparing whitening strength. Without knowing the actual concentration, it’s harder to know what to expect or how strong it is compared to other kits I’ve used. Still, it worked gently and gave a mild brightening effect after a couple uses. Read more

★★★★★

Affordable and easy to use kit

Wonder WomomOctober 6, 2025

This kit contains a teeth whitener and a cleansing toothpaste that can be used along with the whitening paste, but is not mandatory. There is only one tube of the cleansing toothpaste and it is the only item contained in the kit that looks a little different than the others. There are enough whitening gel tubes in this kit to administer several treatments across the course of several months because I didn’t have to use much for my treatment. The toothpaste doesn’t have much flavor and has a taste similar to most gels used at dentist offices. It isn’t “spicy” as my 8 year old would say and was comfortable to use. I only used it to brush the surface of my teeth receiving the treatment and it cleaned about as well as any other toothpaste did, at least to my naked eye. I applied the whitening gel after using the paste and flossing. I left it on for the required 10 minute cycles (you have to restart the mouthpiece one time after the light goes off). I didn’t notice much of a flavor from the whitener either, which isn’t a bad thing. My teeth are very sensitive to temperature, and it did not feel cold to my teeth at all. I was able to rinse the gel easily after the treatment, but my mouth had an unpleasant taste and foamy feeling. After rinsing several times, the taste did not linger in my mouth. Tip: wear sunnies or have a barrier in place to protect your eyes because I couldn’t help but look at the light and ended up with a slight headache from it- my own fault. At first I thought my teeth looked worse after using this treatment, but I realized my eyes were seeing color a little differently because I kept staring at the light during the treatment. After a few minutes I looked again and could see a slight difference after using this gel and toothpaste combo just once, but my son said they looked the same to him. Multiple uses will produce better results. The picture with the lipstick is my before and the other one is my after. I recommend this affordable kit to anyone looking to improve their smile without spending a fortune or committing to a reoccurring professional whitening schedule. Read more

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★★★★☆

Smart, Professional Design That Delivers Serious Results for the Price

Marco PantaloneOctober 31, 2025

This kit is a surprisingly clever piece of engineering for an at-home system. The thing that genuinely sets it apart is the inclusion of the 'Tooth Grit' for a pre-cleaning step. From an efficiency standpoint, that’s a smart design choice because a dentist wouldn't ever whiten without a deep clean first. By mirroring that professional approach, this system lays a much better foundation for the whitening gel to do its work. The value here is exceptional. When you see a claim that it’s using the same technology as dental offices—and then you look at the $70 price tag compared to a $300 office visit—it’s an easy decision to try this one. The Hydrogen Peroxide/Urea Peroxide gel is effective, and the blue LED light definitely helps speed up the process. While I can't confirm the "up to 8 shades" claim without a clinical color chart, what I can tell you is that the results are seriously noticeable and achieved in a very manageable 20-minute session. It’s also gentle enough that even people in our household who occasionally deal with sensitive teeth didn't have any major issues. If you’re looking for a whitening product that takes a legitimately professional approach without the massive financial outlay, this is a strong recommendation. The design and process are efficient, and the results speak for themselves. Read more

★★★★★

Amazing for at home teeth whitening!

ElizabethNovember 25, 2025

This kit is perfect for those who want to whiten their teeth at home. This kit includes multiple syringes of whitening gel and a LED mouthpiece. The process of whitening my teeth was overall easy and mess free. Overall I definitely noticed my teeth looked a lot whiter after just one use! I will be continuing to use this to maintain the whiteness of my teeth. :) Read more

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★★★☆☆

Not a bad experience but only whitened one shade a shade

Marissa MorawiecOctober 21, 2025

I found this kit to be ok, but it lightened my teeth maybe one shade? It wasn't a very noticeable difference. I used it every night and tried to only use a little bit of the gel as the directions stated, but it only lasted for 15 days, not 24. It was easy to use - I brushed with the whitening toothpaste mixed with a pea size amount of the whitening gel, then used the gel in the tooth trays with the light connected. I left it on for 20 minutes and then rinsed. I felt like my spit accumulated in the trays pretty quickly and diluted the gel so maybe that's why it didn't work, but I don't know how to get around having spit build up. The taste was pretty mild and not bad. I only had a minimal amount of tooth sensitivity, as compared to other brands where I have more noticeable sensitivity. I would have rated this higher had it actually whitened more than one shade. Read more

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★★★★☆

Maybe a little difference???

Scott HunterOctober 20, 2025

I don't know if the kit is truly a professional quality kit. I think it tries to use the same methods as professionals, but in an at-home kit. It is easy to use and clean. After one treatment I couldn't notice any visible difference. After a second treatment, my teeth may have been slightly whiter. But I also wonder if it's because I wanted them to be whiter. Might be worth it to try if you don't have the time to schedule appointments in office. Read more

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