15 Amazon products Yahoo readers can't stop buying — starting at $8

If you're thinking this handheld gadget closely resembles an electric toothbrush, that's essentially what it is — only instead of putting the Rubbermaid Reveal Power Scrubber in your mouth, you'll use it to blast away dirt and grime from every crevice in your bathroom (or any small area in your home needing a good cleansing, for that matter). It does practically all of the heavy lifting for you via its 6 volts of power and oscillating head, which scrubs a whopping 60 times per second. According to the brand, it also works twice as fast as a standard scrub brush. A time and energy saver? We love to see it.

"I never write reviews — but I had to write about this amazing little tool," gushed a five-star reviewer. "I just bought a new house and wasn't going to replace kitchen and bathroom floors. I spent an hour or so with this little tool and some grout cleaner, and my old kitchen floors look alive again. I'm shocked. And very, very happy."

Psst: Check out my full Rubbermaid Reveal Power Scrubber review for more info!

Car floor looking a little crumb-y? Then it's this No. 1 bestselling car vacuum to the rescue! Weighing just 2.4 pounds, it's easy to maneuver, whether using it to zap up pet hair from the seats, fast food remnants on the floor or the layer of dust blanketing the dashboard. It comes with three attachments for targeting different types of spaces and messes, and its 16-foot cord even reaches the trunk. This model even has a handy light and HEPA filter to help purify the air.

"This is the best auto vacuum I have used," wrote an impressed customer. "It gets the things that other vacuums have not, like the fine dust that collects on the dash and console. The attachments seem built for a car, as does the design and shape of this machine. Kudos to the design engineers. ThisWorx is well named because it does."

Whether you're storing shorts and sundresses in the winter or puffer coats and comforters in the summer, these roomy storage bags will keep everything nice and organized from season to season. Each one has an impressive 60-liter capacity, along with see-through front panels so you won't forget what you stashed in them. 

"I can't say enough how these containers have changed my life," raved one shopper. "These are handy to reorganize your closets, bedroom or anywhere in your house. They are strong and are stackable. I would recommend these."

Never have a dull moment in the kitchen again, thanks to this No. 1 bestselling knife sharpener. Equipped with three slots for sharpening, repairing, straightening and polishing, it'll take your old blades from worn-out to like-new in just a few swipes. Plus, it comes with a handy cut-resistant glove to spare you from painful nicks.

"This is an incredible tool," exclaimed a happy home cook. "Five-year-old expensive knives that I knew were dull feel like new — I didn’t realize how bad they were until I cut an onion right after sharpening them with this tool. Amazing."

This No. 1 bestseller comes with just about every type of blade a home cook could need: a 3-inch paring knife, 5-inch serrated utility knife, 7-inch santoku knife, 8-inch chef's knife, 8-inch bread knife and six 4.5-inch steak knives, as well as a professional honing steel, kitchen shears and a hardwood knife block. Henckels has been crafting quality knives for over a century, so you can rest assured the brand knows what it's doing. 

"Finally, sharp (and safe) knives," wrote a satisfied shopper. "I have been used to ordinary knives until my brother, who is a chef, convinced me to upgrade to Henckels. I must admit, I was a bit nervous at first, worrying about cutting myself, but the grip on these knives keeps my hands from slipping. They are extremely sharp and do a great job in the kitchen."

Slicing and dicing just got way more fun, thanks to this colorful knife set from Cuisinart. You'll get an 8-inch chef knife, 8-inch slicing knife, 8-inch serrated bread knife, 7-inch santoku knife, 6.5-inch utility knife, 3.5-inch paring knife and protective sheaths for each. Since they're color-coded, you can designate one for meats, one for vegetables, etc. No cross-contamination to see here!

One happy reviewer wrote: "This knife set made me a pro in the kitchen. ... They cut like butter. They wash like glass. ... I actually purchased these knives for my husband and my son. My husband is the cook in the house, and my son is learning. I wanted them to have good stuff to use and no more of that cheap junk that you have to saw to cut meat. These knives cut in one little slice. Now I'm in the kitchen cutting up stuff, probably for no good reason."

If your under-eye area could use a little freshening up, it's this No. 1 bestselling cream to the rescue! Formulated with moisturizing hyaluronic acid, calming niacinamide and three essential ceramides, it helps maintain and restore the skin barrier to preserve hydration and minimize the appearance of dark circles and puffiness. Now no one has to know you were up all night scrolling on your phone instead of getting your eight hours in. Even celebs like Olivia Wilde are fans.

"I inherited very noticeable bags under my eyes (thanks, Mom), and they age me even beyond my 71 years of age," shared a content customer. "I've used this faithfully at least once a day and can see a significant improvement. Cream soaks in quickly and I've noticed no scent or objection from the sensitive areas above or below my eyes. I'll continue to use!"

Not only does this popular shampoo smell like a dream (if you like an herbaceous minty scent, that is), it also helps promote the growth of longer, stronger hair, thanks to its biotin-packed formula. The ingredient is touted as a remedy for weak, breakage-prone hair and split-ends, allowing you to keep more strands intact — and they'll feel and look healthier, too. 

"I'm 65 and have suffered hair loss the last few years with two visible bald spots," shared an impressed shopper. "I've been using this for roughly a month and have so much new growth! My husband even said, 'Your hair looks so thick!' I can totally tell a difference and will be stocking up!"

Salma Hayek is a fan of the main ingredient in this cream — tepezcohuite — which, along with vitamins A and E, is said to help hydrate skin, increase elasticity and reduce the appearance of wrinkles and fine lines. Just dab some onto your freshly washed face before bed for an a.m. refresh. 

"In all of my decades of trying skin-care products, tepezcohuite has been the most transformative product I have ever used," declared an excited reviewer. "In just a week's worth of use, morning and night, I see a noticeable improvement in my skin's tone, feel and texture. My 67-plus-year-old skin glows again for the first time in decades."

Be sure to check out Yahoo Life senior beauty editor Jennifer Romolini's full Del Indio Papago Night Cream review for more info. 

Keep your feet nice and toasty with these top-selling wool socks, which come in the cutest colors and prints. They're soft and warm, yet breathable — stock up before January and February rear their frigid heads!

"I bought these for a trip to Alaska," wrote one shopper. "These are literally the warmest socks I own. [They] fit perfect to size, haven't shrunk and [are] super warm. [They] do not make your feet sweat. ... Buy them — your feet will be happy you did!"

Finding a bra that's comfortable, supportive, offers full coverage and doesn't look like it was made during colonial times is a pretty impressive feat — but we think we've done it. This Playtex wireless bra has tens of thousands of perfect ratings, thanks to its cooling, moisture-wicking fabric, four-way wireless support (no painful digging!), Magic Ring construction for a natural lift and smoothing satin panels on the sides and back. With 14 lovely colors to choose from, it's a really pretty undergarment too!

"This bra says 18 hours and completely lives up to that promise," raved a happy fan. "It fits perfectly when you measure for the proper fit; it is soft, not scratchy, and does not cut into my shoulders to provide support for my large chest. I am absolutely getting more!"

For many of us, Hanes is synonymous with comfort, and these top-selling shorts are no exception. They're made from an ultra-soft cotton blend and have a stretchy waistband with drawstring for a custom fit. Oh, and pockets, of course. Get 'em now and love 'em all year long — they come in four colors and sizes S-XXL.

"As a 68-year-old woman, there are few shorts I will wear, but these are terrific!" gushed a Hanes enthusiast. "I walk a lot, and these are super comfy and well-fitting, great for lounging as well."

Ready to finally trade your fraying wired earbuds for a sleek pair of Apple AirPods? These second-gen top-sellers have hundreds of thousands of perfect ratings for a reason — well, multiple reasons: clear, rich sound quality, 24-hour battery life and the fact that you won't find yourself tangled up in cords if you accidentally fall asleep with them in. 

"I've had a real problem with finding comfortable earbuds and for years have stuck to the one [pair of] corded earbuds that were comfortable and didn't fall out," wrote one Apple convert. "I thought it was finally time to try these as I transitioned to only having a cellphone. I was surprised at how comfortable they are. The sound quality is good, and the charge lasts a long time. I'm a believer!"

Keep your eyes and hands on the road while having your phone close by, thanks to this No. 1 bestselling phone mount. It sticks right onto your dashboard or windshield (its strong suction was designed to withstand bumps and turns!) and even has a telescopic arm that lets you adjust the viewing angle.

"I always wanted a phone mount that was eye-level, and after doing some research landed on the Suuson car phone holder mount, and I love it!" raved a happy driver. "Easy to maneuver if the sun shines on the screen. My iPhone fits perfectly! All the parts are sturdy, and it is securely mounted! Why did I wait so long?"