I Found 18 TikTok-Viral Amazon Products on Sale for October Prime Day, Starting at $7

Why we like it: TikTok (and GH experts') secret to whiter teeth? The 3D Whitestrips from Crest, one of our pros' top-tested brands for teeth whitening strips. This particular kit was designed specifically with sensitive teeth in mind.

What you should know: This kit comes with 18 treatments, which should be used once a day for 30 minutes for best results, per the brand.

Why we like it: Packing cubes are one of TikTok's favorite travel hacks for overpackers, since they can help you fit more clothes into your suitcase and keep you organized on your trip. This set is our experts' best value compression packing cube pick, thanks to its affordable price point and positive feedback from testers.

What you should know: This packing cube set comes with one large packing cube, two medium cubes, two small cubes, and a laundry bag.

Why we like it: If you've ever had checked luggage lost at the airport, TikTok recommends keeping an AirTag in your bag for seamless tracking via the FindMy app. AirTags were also named our experts' best overall luggage tracker for its slim design and accurate location services.

What you should know: AirTags are designed to be compatible with Apple iPhones, so they are not compatible with Androids.

Why we like it: This glossy balm from Laneige, our Beauty Lab's top K-beauty brand for lips, is a staple in my daily routine. Its lightweight, shea butter-enriched formula keeps my lips feeling hydrated for hours, and I love how it comes in different scents.

What you should know: Sales on this lip balm rarely go steeper than 30% off, so it's worth grabbing ASAP.

Why we like it: While Stanley still holds the title of TikTok's most viral tumbler, this top-tested dupe offers excellent temperature retention and a similar cupholder-friendly design at a more affordable price. Plus, it comes in over a dozen colors and patterns.

What you should know: In our Lab tests, this tumbler dented after being dropped at a height of three feet, three times, similar to other tumblers we've tested. Just make sure to hold onto it.

Why we like it: Holiday gifting season is sneaking up on us, and this pocket mirror was one of our readers' most-purchased gifts last year. It has a regular and magnified mirror side for touching up makeup on the go, as well as built-in LED lights.

What you should know: This mirror measures 3.3 inches long by 2.5 inches wide, making it compact enough to fit in most purses.

Why we like it: #CleanTok is full of handy cleaning hacks, like this viral gel that's a whiz at picking up pesky dirt and debris, according to more than 50,000 five-star reviewers. Use it to clean tight nooks like car interiors, keyboards, air conditioner vents, and more.

What you should know: Many reviewers note that this gel loses its stickiness over time and will likely need to be replaced eventually.

Why we like it: This viral blow dryer brush achieved the fastest hair-drying rate in our Beauty Lab, earning it a spot among our top-tested hair dryer brushes. “I liked how the brush head was large, which allowed it to dry more hair at once,” said a tester.

What you should know: This blow dryer brush gets very hot during use, so our experts recommend using a heat protectant and to avoid using it on soaking-wet hair.

Why we like it: You've likely seen these pillow slides all over your TikTok feed; they've earned more than 38,000 five-star reviews on Amazon for their cushy construction that feels like walking on a cloud, per the brand.

What you should know: These shoes come in more than 10 colors. You can shop them in women's sizes 4-5.5 through 15-16, and men's sizes 3-4 through 13-14 (each size is a ballpark fit between standard sizes).

Why we like it: Bissell's Little Green portable carpet cleaner has been a favorite among GH Cleaning Lab experts for years thanks to its compact design and impressive suction power. In our tests, it lifted tough stains (like peanut butter and pet messes) with ease.

What you should know: This portable carpet cleaner is on the louder side, according to our tests.

RELATED: Bissell Little Green Machine Review

Why we like it: After discovering Scrub Mommy on TikTok three years ago, I can never go back to using normal sponges. These sponges become hard in cold water and soft in warm water for cleaning a variety of messes, and they have a softer side for polishing delicate items like wine glasses.

What you should know: This pack comes with four Scrub Mommy sponges. They are dishwasher-safe, per the brand.

READ OUR FULL REVIEW: Scrub Daddy vs. Scrub Mommy: Which Sponge Cleans Best?

Why we like it: "These are among the most hydrating toner pads I’ve ever used—they never strip my skin," said Commerce Editor Anvita Reddy in her review of Medicube's viral skincare. "They worked beautifully on my dry skin, but they're also made to suit oily and combination skin types."

What you should know: These pore pads have earned an impressive 4.6/5 star rating from more than 12,000 reviewers. Some shoppers said that they leave behind a sticky residue, though.

Why we like it: This pair of leggings from Colorfulkoala, one of our experts' top-tested leggings brands, went viral on TikTok for its soft fabric and high-waisted fit that looks and feels like pricier brands. Plus, many reviewers note that they stay in place during workouts.

What you should know: These leggings come in more than 10 colors and sizes XXS to XXL. You have the option of a 25-inch or 28-inch inseam.

Why we like it: Another TikTok-viral cleaning product you can score on sale during October Prime Day? This clever, long-handled cleaner, which makes it easier to clean hard-to-reach places like ceilings, baseboards, and walls.

What you should know: This wall cleaner can be extended from 26 to 60 inches and comes with a microfiber pad that's machine washable, according to the brand.

RELATED: TikTok-Famous Cleaning Products

Why we like it: Our experts found that the smooth texture of TikTok-viral satin pillowcases can help reduce frizzy hair and bedhead. This Amazon best-seller was named our experts' best faux silk pillowcase for its budget-friendly price and low-maintenance polyester fabric.

What you should know: In our Lab tests, this pillowcase held up to washing well—and it wrinkled less than genuine silk options. It comes in more than a dozen colors.

Why we like it: For a floral gift that won't wither after a couple of weeks, consider this viral LEGO bouquet set. With a near-perfect 4.9/5 star rating on Amazon, it's a fun bonding activity that doubles as decor.

What you should know: This LEGO set contains 756 pieces, and is recommended for ages 18 and up. (There are lots of tiny pieces that aren't safe for kids!)

Why we like it: If you're always paranoid you'll forget to blow out your candles before leaving the house, check out this TikTok-adored candle warmer. It uses gentle heat to diffuse scent throughout your home, which claims to melt candle wax slower than burning the wick, helping your candles last longer. It looks elegant, to boot.

What you should know: This candle warmer has programmable auto-shutoff timers, and it has earned more than 3,000 five-star ratings on Amazon.

Why we like it: For luminous skin, celebrities like Viola Davis and Martha Stewart use this affordable drugstore glow enhancer from L'Oreal. This viral find can be layered beneath foundation for a boost of radiance or worn on its own for a no-makeup-makeup look.

What you should know: This glow lotion comes in five shades. It has more than 35,000 five-star ratings on Amazon.