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Colgate's teeth whitening pen works while you sleep, and — smile! — it's on sale for $20

Coffee, wine, orange juice — all delicious, yet all can also make your teeth drabber and duller than you’d like. While professional whitening treatments can turn back the clock on your smile, they can also cost hundreds of dollars and require going to an office. Whitening strips also work — they’re a fraction of the price and can be done at home, after all — but what if you don’t like sitting around for an hour with a gummy strip stuck to your teeth? The Colgate Optic White Overnight Teeth Pen is designed to be used right before bed, and it works while you sleep to slough away years of stains. In fact, it can reverse over 15 years’ worth of coffee, citrus and wine stains in up to one week. And right now, it's on sale for $20 at Amazon.

Enjoy 35 whitening treatments with this easy-to-use pen.
$20 at Amazon

The potent formula is made with 3% hydrogen peroxide, plus it’s vegan and sugar- and gluten-free. It creates a film on your teeth while you count sheep, which you can then brush away in the morning. It’s so easy to apply, too — just dry your teeth, click the pen to deposit the product onto the brush, and coat your teeth. No need to fiddle around with messy whitening strips or take time out of your busy schedule to apply.

The pen has received more than 23,000 gleaming reviews. Shoppers love how much easier (and less expensive) it is compared to traditional whitening strips. “I could never use those whitening strips for more than a day because of sensitivity,” one wrote. “This product gives me little to no sensitivity, and I saw a difference in my teeth after the first use!”

colgate whitening pen
You know what they say: "The pen is mightier than the strip." (They do say, that, right?) (Photo: Amazon)

Yep, despite the powerful formula, it’s still incredibly gentle on your teeth. Wrote one five-star reviewer: “Absolutely amazing. I’ve only used the teeth-whitening overnight stick three times and people are already starting to notice a difference in my teeth. I also have very sensitive teeth and tooth pain, but this hasn’t affected my pain at all.”

Even dentists notice a difference! “You can most certainly see the results working,” one shopper shared. “My dentist noted how much whiter my teeth were when I went in for a cleaning!”

person in bed smiling
Snooze those coffee stains away... (Photo: Getty Images)

Another chimed in: “I never thought I’d write a review on toothpaste but this stuff is THAT amazing. I’ve always used Crest my whole life because I thought it was the best. I’ve been missing out. My dental hygienist recommended this to me, and I’m obsessed. Not only did it actually whiten my teeth, but the hydrogen peroxide got rid of the tonsil stones I had (I know...). I’ve tried whitening trays, scrubs, and even charcoal powder, but nothing whitens my teeth as well as this stuff! My breath is fresh and the taste is perfect.”

This pen is so easy to use: Simply brush it on your teeth at night and enjoy the results!
$20 at Amazon

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $25 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.

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