With vaccines more widely available and mask mandates beginning to lift, it's time to add teeth whitening back into your self-care routine. Luckily, there are tons of customer-loved kits still on sale for the final hours of Amazon Prime Day, including the super popular Crest 3D White Professional Effects Whitestrips for 44 percent off. 

Over 35,000 Amazon shoppers swear by the whitening strips for a brighter smile in a short period of time. The kit comes with 20 whitening treatments and two bonus express treatments. All you have to do is stretch the strips across your top and bottom teeth and leave them on for 30 minutes each day. After you complete all 20 treatments, you should have visibly whiter teeth for a year or longer. 

"I have tried a couple different teeth whitening products, but nothing compares to this," one reviewer wrote. "These have been my go-to product for years. You can see a noticeable difference after the first use, and by the end of the 14 days, your teeth are sparkling white and stay white."

Buy It! Crest 3D White Professional Effects Whitestrips, $27.96 (orig. $49.99); amazon.com

In addition to the classic strips, you can also score the Crest 3D White Whitestrips kit with a light for 33 percent off. This package comes with 10 whitening strip treatments and a light that you hold up to your teeth for a few minutes after letting the strips sit on your teeth for an hour. The handheld light boosts the effects of the strips, so your whiter smile can last for up to 36 months. The device also has an automatic shut-off function, so you'll know exactly how long to hold it up for before completing the treatment. 

"I always use the Crest Whitestrips and love them, but this is even better," a second shopper shared. "My teeth are sooo white after using the light treatment only two times. Definitely worth it!"

Buy It! Crest 3D White Whitestrips with Light, $39.99 (orig. $59.99); amazon.com 

Before Prime Day ends at midnight PT, be sure to take advantage of these deals on Crest Whitestrips. You'll be thanking yourself when you take off your mask to reveal your whitest smile ever. 

Shop More Amazon Prime Day 2021 Deals:

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