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Summer *just* started. Get these useful things to make sure you make it to fall.

I am a staff writer on the BuzzFeed Shopping team who focuses primarily on practical and problem-solving products (although you can also catch me writing about cute, fun, and ~weird~ products, too!).

Promising review: "So I decided to put these to the ultimate test for 4th of July underneath my white, semi-sheer swimsuit. I wore them out in the Florida heat in the ocean all day, and they did not budge or peel off. I thought for sure these would take skin off by the time I got home because I just couldn't believe they stayed on the entire day (humidity is real). I was able to remove them with ease. I washed them with warm water and soap and let them dry, and the next day, they were super sticky, like they were brand new out of the package again. Buying these forever." —Marisa

Get it from Amazon for $26.50+ (available in two sizes, two styles, and five shades).

BuzzFeed editor Natalie Brown swears by these pasties! Check out her Nippies review to learn more.

Psst — it's also gluten-free, soy-free, and dairy-free! 

FYI, depending on your situation, water may be enough to rehydrate you! Read more about electrolyte-enhanced drinks and hydration at Cleveland Clinic. 

BuzzFeed writer Elizabeth Lilly swears by these:

"I always ALWAYS pack this stuff for trips. I recently visited Vegas for ~48 hours for an outdoor music festival. I drank one in the morning before boarding my flight, then once I got checked into my hotel, and then the next morning before the music festival, where I was outside and guzzling tall boys of beer. And I felt great when I woke up the next day! Drinking Liquid I.V. also meant I didn't have to guzzle plain water (and then stand in line for the bathroom a ton) to stay hydrated for the 12+-hour festival." 

Promising review: "I’m a tile setter in South Texas, and Liquid I.V. has made a significant difference in my ability to stay hydrated in these 100+ degree summer days." —Colton F.

Get a pack of 16 from Amazon for $20.40+ (available in 16 flavors; also available in sugar-free flavors). 

Promising reviews: "Fantastic on hot days to roll over face, eyes, cheeks, and neck area to cool down for heat relief (and prevent headache triggers). God bless whoever created these!" —DebA

"I love this to help reduce swelling. In the spring and fall, I often wake up with very puffy eyes, and this makes a big difference in my inflammation throughout the day." —E & C Michaels

Check out Heather Braga's review of the ice roller!

Get it from Amazon for $18.99+ (available in eight colors).

Promising review: "This is one of those things that I wish I'd found years earlier. I've suffered from mortifying stress-induced under-boob sweat for most of my adult life. Also, I'm a lifelong Seattle girl who gets upset when it's warmer than 65 degrees outside. So when I stumbled upon this product, I was curious enough to buy a small pack. And yes, I've come back for MORE! For real, I won't put on a bra without one of these liners now. It absorbs all the moisture from heat and stress. And because it's a really soft bamboo/cotton mix, my skin is finally not feeling tortured under there! To the makers of this ingenious, life-changing product: thank you, thank you, thank you! Sincerely, all the grateful ta-tas you've helped to care for." —Niko

Get a three-pack from Amazon for $12.99+ (available in women's sizes M–XXL and five color combinations).

Promising review: "I have always suffered from bad odor on my underarms since I have very delicate skin, so I can't use strongly scented deodorants. I'm always trying out cream deodorant or gels, but it either irritates my skin or doesn't stop my bad odor. THIS IS THE BEST INVENTION EVER. I LOVE IT! I can't believe that something finally works! My armpits don't smell bad. I can finally move my arms freely. The scent is wonderful; I love the smell, and it's not harsh on my skin. Even after a long day, my underarms are still smelling like coconut." —Vicky Reyes

Tower 28 is an LA-based, Asian woman-owned small business creating nontoxic, vegan, and cruelty-free beauty products for all skin types. 

Promising review: "This product is so amazing for when your skin feels like it’s burning or it’s irritated. It has such a calming factor to it, and I really like the 'saltwater' scent." —kealsc

Get it for $12+ (available in three sizes) from Amazon or Sephora.

Megababe is a woman-owned small business founded by Katie Sturino, an entrepreneur, body acceptance advocate, and influencer. 

Promising review: "I was hesitant to buy this product because I wasn’t sure if it would work or not, but WOW!!!!! It works!!!! Amazing!! I’ve been to a music festival for the past two years, and from walking too much, I’ve gotten the worst chafing. This year, I decided to buy this and use it during my two days at the music festival. No chafing whatsoever!!! I did reapply a few times (because I was walking tons/sweating). But seriously, this product is wonderful. I tried deodorant last year, and that was no help for me. This is my new go-to, and I’m excited to use it more this summer! Buy this!" —Queen268

Get it from Amazon for $13.97, Megababe for $14, or Target for $13.99. 

Promising review: "This is the best hair claw I've ever bought! Super sturdy and strong; it even held all my thick hair up! Looks exactly like the image and is super cute!" —Amazon Customer

Get it from Amazon for $7.99 (also available in a silver color).

And many reviewers claim this is a better version of the Lulu Align bra...just sayin'.

Promising review: "LOVE. It is super comfortable to wear and is great for supporting my chest when I go on a run. Doesn't collect sweat. Very nice and cool material for hotter environments. I have it in so many colors because I love them so much. HIGHLY recommend!" —Cheyenne

Get it from Amazon for $19.99+ (available in women's sizes XS–3XL and 29 colors).

Promising review: "If you use St. Tropez tan products or any fake tanner, do yourself a favor and try this. This stuff is AWESOME. Dries quickly, lasts longer, does NOT make your skin stinky, applies evenly, and you get a fair amount of product!! Other tanners I've used become VERY noticeable when they start fading. Gross hand lines, patchy white spots, etc., but not this stuff. The best one-hour tan I have ever used!" —Review Writer 

Get it from Amazon for $12.97+ (available in nine shades and in a mist formula).

Results should last through 3–4 shampoos!

Promising review: "This stuff is legit amazing. Mississippi heat down here — 'real feel' is 111 most days. My hair usually starts to look frizzy and sorta funky wavy in some spots as soon as I leave the house due to the ridiculous humidity we have here. I am so impressed. Somehow, it gave my usually flat-to-my-head hair some volume as well. All I did was shampoo, conditioner, towel dry, and then blow-dry with tension like the back of the bottle says." —ChrisandLeslie

Get it from Amazon for $14+ (available in two sizes).

Promising review: "Cooling and moisturizing under my eyes. It feels so refreshing, and it actually works. My under-eye area is less puffy and lighter, and the fine lines at the corners of my eyes are very much less noticeable. Definitely recommend!" —Phyllis j

Get it from Amazon for $11.99 (available in two other formulas).

Promising review: "What an amazing product! I needed this to go to the beach on a hot day (almost 100 degrees) for some shade. It is easy to put it up. On that hot day, it kept us from burning under the sun for four hours. We opened the windows for ventilation, and it worked fine." —Georgina

Get it from Amazon for $31.85+ (available in four sizes and eight colors).

Promising review: "A lifesaver! The compact design makes it easy to carry in your bag or pocket. The fan's performance is impressive; it generates a strong breeze for its size, instantly cooling me down on hot days. The noise level is pleasantly low, perfect for use in quiet environments. The battery life is impressive, lasting through extended outings. It's a must-have for anyone looking to stay cool and refreshed during summer or while traveling. We are thrilled with this handy little fan!" —Allie

Get it from Amazon for $15.29+ (available in three colors).

Promising review: "These shades work great. With a freshly cleaned window, they stick to the glass quickly, even in Arizona. They fold up easily and stay on indefinitely." —Brad

Get a four-pack from Amazon for $13.99 (also available in a two-pack).

Promising review: "I have super oily skin and am always looking for something to help control it during the day. The linen squares are good, but you have to keep them around (and keep replacing them), and they end up in the landfill. This little contraption really works, and I just rinse it at the end of the day and start over again the next. I kept one on my desk and bought a second for my purse. This is magic for my shiny skin, especially on camera in my hours of Zoom every day." —Jennifer Helseth

The mister will cool the surrounding area by 20 degrees and comes with an interchangeable flower-shaped misting head for a fun, whimsical detail.

Promising review: "Works exactly how I want it to. Provides a fine, cool mist on the patio, allowing us to enjoy the backyard until sunset without breaking a sweat. Easy to set up. It was out of the box and cooling us off within minutes." —Debra L. Kusek

Promising review: "I have tried IGK, Living Proof, Not Your Mother's, Amika, and so many others, but THIS LASTS THE LONGEST! I am impressed by this product. Don't listen to the haters because I have severely fine and oily hair, and this product allows me to last for one week without washing, and it gives me volume without the toxicity of spray dry shampoo." —473X

Get it from Amazon for $13.59+ (available in seven shades).

Promising reviews: "It has this slightly cooling menthol-y effect and feels really lightweight. It's great in the summer." —Shihk1

"Keeps my skin from getting dry, especially in the summer months." —Christian R Reed

Promising review: "A must-have! This cover-up is perfect! The sleeve length is dreamy. Truly, I've been looking for a cover-up like this since my teens, and nothing was ever just right. If you're on the fence, just do it! Material feels nice. It is a smidge heavy to me, but it will be perfect for the evenings around the pool or on the beach." —Keirstin

Get it from Amazon for $29.99+ (available in women's sizes S–XXL and 30 colors). 

And here's a similar plus-size option for $24.99+ (available in women's sizes L–4XL and in six colors).

Promising review: "The yoga mat footbed provides amazing cushioning and arch support; I can walk in them all day without any discomfort. They’re stylish enough to pair with just about any summer outfit, and durable enough for the beach, errands, or just lounging around. The quality is fantastic for the price. These feel way more expensive than they actually are. I’ve already decided I’ll be buying more in other colors. If you’re looking for affordable, supportive, and cute flip flops, these are it!" —Jenzles

Get it from Amazon for $13.99+ (available in women's sizes 5–11 and 26 styles). 

Promising review: "I got these to make ice cubes that I could fit into hot water bottles to make 'cold water bottles.' I'm in the big heat wave, and it's been over 100 every day for the last week with no sign of it letting up any time soon. These are quick and easy, and the cold water bottles have been the only thing helping me sleep in a room anywhere between 80–90 degrees at night. I love the lids! It makes my ice trays easy to stack and more secure. I wish all ice trays came with lids like this!" —A.J. Stark 

Get a set of three from Amazon for $9.99+ (available with or without covers and in packs of two and four). 

Promising review: "I started using this product on my arms a few weeks ago to manage the little bumps I get, especially during the summer. I noticed a difference after a couple of uses, and my skin is much smoother now." —CoachJoe19

BuzzFeed Shopping is service journalism first: our writers and editors spend all day shopping so you don’t have to, vetting products, fact-checking brand claims, and surfacing what actually helps in real life. We center readers over revenue, recommend products with authenticity (using real experiences, not ad-speak), and reflect our diverse audience, inclusive of a variety of price points, people, and needs. We cut through fake deals, favor useful info over glossy fluff, and recommend both budget and splurge options with context so you can decide what’s right for you — and still have a little fun along the way.

The reviews for this post have been edited for length and clarity.