MOON Kendall Jenner Teeth Whitening Pen: Is It Really Better Than The Rest?

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Your smile can be your most showstopping feature. Even so, when it comes to beauty care, many people skip over it in favor of beauty blenders, highlighter kits, and hair products. But what if instead of selecting a lip shade that makes your teeth pop, you sported a bright smile from the start?

This is the drive behind the MOON line collaboration with Kendall Jenner. Once upon a time, even Kendall Jenner lacked confidence in her smile. So she helped launch the MOON Kendall Jenner Teeth Whitening Pen, aiming to make oral beauty part of everyone’s routine. Let’s find out if it delivers on its promises.

MOON Kendall Jenner Teeth Whitening Pen at a Glance

Although Jenner is the face of their whitening pen, MOON was actually founded by Shaun Neff, whose goal is to transform the oral care experience from just another item on your daily to-do list into an act of self-care. It’s all about better design, better ingredients, and a better experience overall.

The Kendall/Neff partnership aims to reframe oral care as oral beauty. Just like you might keep lipstick or hair supplies in your bag for a midday refresher, they want you to have your MOON pen on hand. A bright smile just becomes part of your polished look. According to the company, you can notice a difference after just one application, and you’ll get lasting results after two weeks of consistent use.

MOON doesn’t want oral care to be boring. Their packaging is sleek, their formulas contain essential oils, and the whole experience is designed to make you feel like you are pampering yourself, not engaging in a chore. You can purchase the pen online through their virtual store and Amazon or as part of a beauty-centric shopping day at Ulta.

Pros & Cons of the MOON Kendall Jenner Whitening Pen

The MOON Kendall Jenner Teeth Whitening Pen isn’t just another celeb-backed gimmicky product; it gets the job done. Still, not everything about this product is perfect. Here are the biggest pros and cons to be aware of.

Effectiveness

When oral care becomes beauty care, you have high expectations for your products. They need to make you feel pampered, offer a certain elegance, and easily fit into your existing routine. However, more than anything, they need to get the job done.

MOON claims that their whitening pen instantly brightens teeth. That is a bold claim, but it is one that customers frequently back up in their reviews. Is this even possible?

Yes and no. Even when products use plain old hydrogen peroxide to whiten your smile, you need to keep it in contact with the teeth for at least two minutes to see a difference, and the MOON formula includes a lot of other ingredients that ultimately curb peroxide’s power. This probably leaves you wondering why so many people, and MOON itself, claim that you can see a difference so quickly.

It isn’t just the placebo effect of purchasing a Kendall Jenner product; depending on which version of their pen you buy, the formula contains light-reflecting pigments. This gives the appearance of an instant smile transformation, even if it isn’t a lasting effect. The pen can still make meaningful changes; it just takes more than one application.

To see long-term effects, you need to use the product twice a day for two weeks. You also need to try to keep your lips out of contact with your teeth for about 30 seconds after application. This gives the peroxide in the formula enough contact with the teeth to make a difference.

As for how big of a difference it makes, this seems to vary significantly between customers. While some claim they didn’t see any improvement, most say they did. Of those customers, some find that they have a brighter smile after two weeks, while others claim the difference is more subtle.

This could be because of teeth-staining habits like drinking coffee or smoking cigarettes. The whitening pen’s product page says you should cut out teeth-staining substances while completing treatment, or it could hinder your results. Either way, the pen does seem to be effective, even if the results aren’t as predictable as we might like.

Affordability

From lip kits to swimsuits, Kylie and Kendall have been blowing up the internet with their endorsements for years now. There are plenty of reasons why Jenner products go viral, but affordability usually isn’t one of them. Well, get ready for a surprise: the MOON Kendall Jenner Teeth Whitening Pen is highly affordable.

The pen costs just $19.99; and while that sticker price is similar to some of MOON’s competitors, we think it holds a greater value. If you want to make your pen even more affordable, you can subscribe through their online store — which automatically sends you a new MOON Kendall Jenner Teeth Whitening Pen at a frequency of your choosing. Even better, subscribing can save you 20%.

To spread the cost of your whitening out over time, you can finance your purchase using AfterPay. This service breaks your total into four equal payments, all two weeks apart. To use AfterPay your total needs to be at least $35, so you need to buy two pens (or another MOON product) to qualify.

MOON doesn’t say how many applications are in each pen, since they claim it varies from customer to customer. Judging by customer reviews, there seems to be around thirty sessions per pen — but it could be more or less depending on how much you use per application.

All of that makes MOON’s whitening pen one of the most affordable at-home whitening treatments available.

Quality of Ingredients

Every whitening pen needs a whitening agent — typically either hydrogen or carbamide peroxide. MOON uses carbamide peroxide, which has about one third the strength of hydrogen peroxide.

They use a carbamide concentration of 10%, which is the equivalent of about 3.3% hydrogen peroxide. Though this is pretty standard strength for whitening pens, this formula is much weaker than other types of whitening, like whitening strips or whitening trays.

Of course, there is more to the formula than the active ingredient. And the pen’s inactive ingredients play as big of a role as the peroxide, giving it the flavor and sparkle that have so many people making it their whitening pen of choice. Here are all the ingredients in the MOON Kendall Jenner Teeth Whitening Pen.

• Urea Peroxide: This is just a fancier name for carbamide peroxide, the active whitening agent.
• Propylene Glycol: This helps keep the gel in liquid form and dissolve the other ingredients.
• Glycerin: Used to speed up the dehydration of your enamel, helping the peroxide get deeper into the teeth to lift out stains.
• Tris(hydroxymethyl)aminomethane: This ingredient is meant to reduce tooth sensitivity triggered by peroxide.
• Carbomer: This is an adhesive agent. It helps the gel hold firm on the teeth rather than sliding off.
• Tetrasodium EDTA: This helps enhance absorption, allowing the gel to get into the pores of the teeth faster.
• Organic Stevia Rebaudiana Extract: This sweetens the gel to make it taste more pleasant.
• Mica (Violet): This gives the gel a slight shimmer, which makes your teeth appear instantly brighter.
• Titanium Dioxide: Used to accelerate oxidation, this allows the formula to make a bigger impact in minimal time.
• Lonicera Caprifolium (Honeysuckle) Flower Extract: This plays a big role in MOON’s great flavor.
• Fragaria Ananassa (Strawberry) Fruit Extract: Combines with the honeysuckle extract to create a great-tasting whitening gel.
• Lavandula Angustifolia (Lavender) Oil: Lavender oil is used for both flavor and fragrance.
• Flavor: Finally, there is an unnamed flavor, though based on their marketing materials, it is vanilla.

Convenience

Whitening your teeth will always demand some effort on your part. That said, whitening pens are perhaps the most convenient method. They don’t require you to keep trays or strips in place, and you don’t need to measure out gel. You just prep your teeth, click or twist the pen, apply the gel, and you’re done.

Prepping your teeth is pretty simple. Just brush, floss, and dry your teeth. Use a fluoride-free toothpaste for this step since fluoride coats the teeth and may prevent the peroxide from working. After brushing, you can use a washcloth or paper towel, but many people just suck in air through their teeth until surface moisture is eliminated.

Once your teeth are dry, keep your lips off of them by smiling. Click the button on the pen until enough gel is visible for whitening your teeth. The first time you use the pen, this can take 15-20 clicks. From then on, it should be about three.

To apply the gel, start at the gumline and brush towards the edge of each tooth. This helps to keep it off the gums and prevents chemical burns. Use the brush to get into the crevices of the teeth for even results. Once you’ve coated all your visible teeth with the gel, keep your lips pulled back for another 60 seconds, then wait 10–30 minutes before eating or drinking. Overall, this whitening pen is pretty convenient.

Comfort

Whitening your teeth can be a little awkward. The good news is that whitening pens tend to remove the most uncomfortable aspects of the process — you don’t wear bulky trays and you don’t need a sticky strip in your mouth. However, three aspects of discomfort remain: sensitivity, flavor, and texture.

The MOON Kendall Jenner Teeth Whitening Pen doesn’t typically cause tooth sensitivity, which is common with many whitening treatments. While the hydrogen peroxide in the formula can cause discomfort, the tris(hydroxymethyl)aminomethane combats it. The exception is if you get the gel on your gums. According to customers, not only does this burn the gums, but the burning happens pretty much instantly — there is no room for application errors.

Flavor is where this product truly excels. The formula includes the Elixir III, which is a blend curated by Kendall Jenner herself. It includes lavender oil, strawberry extract, and honeysuckle flower extract, which all come together to make a pretty great-tasting gel.

As for texture, the MOON gel is pretty smooth and doesn’t harden into a film, so there isn’t anything awkward about it. Overall, it delivers a comfortable whitening pen experience.

What Are Customers Saying?

Overall, MOON customers are happy with the product and the results it delivers. Most people note that it whitens their teeth by multiple shades, tastes great, and doesn’t cause sensitivity.

We noticed, however, that many of the glowing reviews were from people who use the full MOON oral care line. We aren’t sure if this indicates that the pen works best when used with their products or just that the users are big fans.

Not everyone loves the MOON Kendall Jenner Teeth Whitening Pen though. Most complaints are related to packaging errors, such as the pen arriving dried out or the gel leaking into the box. However, some did note that the whitening effect was only temporary, lasting a few hours until the light-reflecting mica washed away.

Final Thoughts

The MOON Kendall Jenner Teeth Whitening Pen is more than just a celeb-endorsed product. It is an effective whitening pen with great flavor backed by the know-how of MOON. Affordable and attractive, it is ideal for taking on the go, keeping your smile looking its best throughout the day.

Of course, MOON isn’t the only whitening pen on the market. To learn about your other options, check out our review of the 5 best whitening pens below.