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We spent a year testing the best red light masks. We found 5 we love and 2 to avoid.
How to choose an LED face mask: Look at wavelength first
There are some ways to tell that a red light face mask won’t be effective before you buy it and use it for a few months.
Wavelength is the first factor anyone will tell you to consider. You want to find products that emit light within the therapeutic window, or the range of wavelengths that can be effective when treating common skin conditions. There is now an abundance of evidence that specific wavelengths of red light can be effective for:
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Reduction of fine lines, dark circles, and crow’s feet
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Improving skin texture
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Fighting wrinkles
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Boosting collagen production
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Reducing inflammation and redness
To be effective, the light coming from the mask must penetrate different layers of your skin. There are optimal wavelengths for each type of light a face mask emits, and any reputable brand will put their mask’s wavelengths front and center in the listing. These carefully chosen ranges are strong enough to penetrate your skin, but gentle enough to avoid over-activating delicate face skin.
Red light does its work in the middle layer (dermis) of your skin, requiring wavelengths between 630 and 633 nm to reach past the top layer. There, red light stimulates cells to produce rejuvenating proteins like collagen and elastin, evening out surface redness, and preventing scarring or post-pimple red spots.
The Shark CryoGlow’s Better Aging routine combines red and near-infrared light.
Credit: Leah Stodart / Mashable
The Shark CryoGlow’s Skin Clearing routine uses a special sequence of red, near-infrared, and blue light.
Credit: Leah Stodart / Mashable
Most red light masks also use near-infrared red light therapy, which requires longer wavelengths to travel further than regular red light. Near-infrared light between 830 and 850 nm reaches into tissue under the dermis to further stimulate cell turnover, firm skin, and heal deep-seated spots or stubborn dark circles.
Blue light operates on the top layer (epidermis) of your skin, so its ideal wavelength is shorter than either red light standard. Blue light at 415nm has an antimicrobial effect, ideally killing the bacteria that cause acne before a breakout starts. If hellbent bacterial acne makes it past the blue light phase — or if you’re also dealing with hormonal or cystic acne not caused by bacteria — red light swoops in to neutralize inflammation and speed up the healing process.
The thing is, most mainstream LED face masks hit those wavelength marks. So, how do you choose between masks if their wavelength numbers are all the same?
The importance of irradiance
Irradiance is another major element that determines whether or not a red light mask actually works. While wavelength refers to the length the light can travel, irradiance refers to the amount of light energy that’s actually reaching your skin per session (not just the intensity of light being generated at the bulb). If wavelength numbers are correct but irradiance is low, the mask will still be kind of a dud.
Irradiance is officially expressed as milliwatts per square centimeter. The optimal irradiance range for a red light face mask is pretty wide (anywhere between 30 to 100 mw/cm²), though many brands don’t directly provide that number.
Most brands do note the length of each session, which is one way to quickly gauge irradiance without getting into calculations. Dr. Mamina Turegano sums it up best on her YouTube account: “Higher irradiance means more effective energy delivery per minute of use.” Longer sessions don’t automatically mean that results will be more powerful — a mask with sessions that last for less than 10 minutes has higher irradiance than a mask with sessions that last for 20 to 30 minutes. Since a mask with lower irradiance needs to sit on your face for longer, you might be less likely to keep up with wearing it.
Are bulb count and bulb placement a big deal?
The number of bulbs and the placement of bulbs inside the mask can also impact efficacy, especially if you’re expecting results on a specific area of your face. Masks with more bulbs packed evenly across the face will provide more even coverage across every inch of your face than masks with more sporadically-placed bulbs. Some masks provide more light sources overall by emitting both red and blue light simultaneously from every single bulb, like the Shark CryoGlow. This would be a better option for full-face acne prevention than masks with blue and red LEDs only concentrated in certain spots, like the Dr. Dennis Gross DRx SpectraLite.
What red light masks work?
Of course, you probably didn’t come here for a science lesson. You want to know which red light masks Mashable’s testers used and loved.
After trying out 10 different products, we ultimately found five that we can recommend. These masks delivered visible results for our product testers.
Remember: Consistency is essential for the best results (or any results). You’ll need to wear your mask consistently for at least 1-2 months.
Entertainment
Wordle today: Answer, hints for July 19, 2026
Today’s Wordle answer should be easy to solve if you like to make food from scratch.
If you just want to be told today’s word, you can jump to the bottom of this article for today’s Wordle solution revealed. But if you’d rather solve it yourself, keep reading for some clues, tips, and strategies to assist you.
Where did Wordle come from?
Originally created by engineer Josh Wardle as a gift for his partner, Wordle rapidly spread to become an international phenomenon, with thousands of people around the globe playing every day. Alternate Wordle versions created by fans also sprang up, including battle royale Squabble, music identification game Heardle, and variations like Dordle and Quordle that make you guess multiple words at once.
Wordle eventually became so popular that it was purchased by the New York Times, and TikTok creators even livestream themselves playing.
What’s the best Wordle starting word?
The best Wordle starting word is the one that speaks to you. But if you prefer to be strategic in your approach, we have a few ideas to help you pick a word that might help you find the solution faster. One tip is to select a word that includes at least two different vowels, plus some common consonants like S, T, R, or N.
What happened to the Wordle archive?
The entire archive of past Wordle puzzles was originally available for anyone to enjoy whenever they felt like it, but it was later taken down, with the website’s creator stating it was done at the request of the New York Times. However, the New York Times then rolled out its own Wordle Archive, available only to NYT Games subscribers.
Is Wordle getting harder?
It might feel like Wordle is getting harder, but it actually isn’t any more difficult than when it first began. You can turn on Wordle‘s Hard Mode if you’re after more of a challenge, though.
Here’s a subtle hint for today’s Wordle answer:
A way to make butter.
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Does today’s Wordle answer have a double letter?
There are no recurring letters.
Meet The Mashable 101: Our list of the content creators shaping the internet today
Today’s Wordle is a 5-letter word that starts with…
Today’s Wordle starts with the letter C.
The Wordle answer today is…
Get your last guesses in now, because it’s your final chance to solve today’s Wordle before we reveal the solution.
Drumroll please!
The solution to today’s Wordle is…
CHURN
Don’t feel down if you didn’t manage to guess it this time. There will be a new Wordle for you to stretch your brain with tomorrow, and we’ll be back again to guide you with more helpful hints. Are you also playing NYT Strands? See hints and answers for today’s Strands.
Reporting by Chance Townsend, Caitlin Welsh, Sam Haysom, Amanda Yeo, Shannon Connellan, Cecily Mauran, Mike Pearl, and Adam Rosenberg contributed to this article.
If you’re looking for more puzzles, Mashable’s got games now! Check out our games hub for Mahjong, Sudoku, free crossword, and more.
Not the day you’re after? Here’s the solution to yesterday’s Wordle.
Entertainment
Hurdle hints and answers for July 19, 2026
If you like playing daily word games like Wordle, then Hurdle is a great game to add to your routine.
There are five rounds to the game. The first round sees you trying to guess the word, with correct, misplaced, and incorrect letters shown in each guess. If you guess the correct answer, it’ll take you to the next hurdle, providing the answer to the last hurdle as your first guess. This can give you several clues or none, depending on the words. For the final hurdle, every correct answer from previous hurdles is shown, with correct and misplaced letters clearly shown.
An important note is that the number of times a letter is highlighted from previous guesses does necessarily indicate the number of times that letter appears in the final hurdle.
Mashable 101 Fan Fave: Nominate your favorite creators today
If you find yourself stuck at any step of today’s Hurdle, don’t worry! We have you covered.
Hurdle Word 1 hint
Rode over.
Hurdle Word 1 answer
DROVE
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Hurdle Word 2 hint
Salt water.
Hurdle Word 2 Answer
BRINE
Mashable 101 Fan Fave: Nominate your favorite creators today
Hurdle Word 3 hint
Bombardment.
Hurdle Word 3 answer
BLITZ
Hurdle Word 4 hint
Fabric.
Hurdle Word 4 answer
CLOTH
Final Hurdle hint
Tunes.
Hurdle Word 5 answer
MUSIC
If you’re looking for more puzzles, Mashable’s got games now! Check out our games hub for Mahjong, Sudoku, free crossword, and more.
Entertainment
How to watch Spain vs. Argentina online for free
TL;DR: Live stream Spain vs. Argentina in the 2026 FIFA World Cup final for free on BBC iPlayer or ITVX. Access these free streaming platforms from anywhere in the world with ExpressVPN, an Official Supporter of the FIFA World Cup 2026.
The 2026 FIFA World Cup has delivered weeks of electric entertainment. We’ve had controversy, moments of ecstasy, and incredibly displays of talent from the best players in the world. And now we’re down to the final, where Spain and Argentina will battle it out for the trophy.
Argentina are defending champions, but have stuttered through the tournament, relying on late goals. Spain also struggled to hit their best form in the group stage, but they’ve built momentum through the knockout rounds, culminating in an impressive victory over favorites France in the semi-final stage.
We’re expecting a fiery battle between two teams laden with stars.
If you want to watch Spain vs. Argentina in the 2026 FIFA World Cup final from anywhere in the world, we have all the information you need.
When is Spain vs. Argentina?
Spain vs. Argentina in the 2026 FIFA World Cup final kicks off at 3 p.m. ET on July 19. This fixture takes place at the New York New Jersey Stadium.
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How to watch Spain vs. Argentina for free
Spain vs. Argentina in the 2026 FIFA World Cup final is available to live stream for free on BBC iPlayer or ITVX.
BBC iPlayer and ITVX are geo-restricted to the UK, but anyone can access these free streaming platforms with a VPN. These tools can hide your real IP address (digital location) and connect you to a secure server in the UK, meaning you can unblock BBC iPlayer and ITVX to live stream the 2026 World Cup final for free from anywhere in the world.
Live stream Spain vs. Argentina for free by following these simple steps:
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Subscribe to a streaming-friendly VPN (we recommend ExpressVPN)
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Download the app to your device of choice (the best VPNs have apps for Windows, Mac, iOS, Android, Linux, and more)
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Open up the app and connect to a server in the UK
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Visit BBC iPlayer or ITVX
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Watch Spain vs. Argentina for free from anywhere in the world
$12.99 only at ExpressVPN
The best VPNs for streaming are not free, but most do offer free-trials or money-back guarantees. By leveraging these offers, you can access free live streams of the 2026 World Cup final without actually spending anything. This obviously isn’t a long-term solution, but it does give you enough time to stream Spain vs. Argentina before recovering your investment.
ExpressVPN’s regular 30-day money-back guarantee is not available for any subscriptions purchased during the Summer Tech Sweepstakes promotional period (July 11 to Aug. 11), but you do have a chance of winning an iPhone 17 Pro. ExpressVPN remains our top pick for sport, but you will need to pay the monthly rate. Alternatively, Proton VPN still offers that all-important money-back guarantee.
What is the best VPN for the World Cup final?
ExpressVPN is the best choice for bypassing geo-restrictions to stream live sport on BBC iPlayer or ITVX, for a number of reasons:
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Servers in 105 countries including the UK
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Easy-to-use app available on all major devices including iPhone, Android, Windows, Mac, and more
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Strict no-logging policy so your data is secure
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Fast connection speeds free from throttling
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Up to 10 simultaneous connections
A two-year subscription to ExpressVPN is on sale for $68.40 and includes an extra four months for free — 81% off for a limited time. Alternatively, you can get a one-month plan for just $12.99. That covers you for the duration of the World Cup.
Live stream Spain vs. Argentina in the 2026 FIFA World Cup final for free.
Wordle today: Answer, hints for July 19, 2026
Rain threatens rematch between Yankees, Dodgers
