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Shark CryoGlow
If you want to try an LED mask with a quick routine, this is the one
Check the price on Amazon- Short treatments, 4 to 8 minutes
- Built-in under-eye cooling
- FDA-cleared, with clinical studies cited
Other options
Key points
- Three lights, three jobs: blue (around 415 nm) targets breakouts; red (around 630 nm) and near-infrared (830 to 850 nm) target fine lines and glow, according to Shark, iRestore and INIA.
- Results take regular use: Shark’s clinical results come from 12-week studies with 60 and 59 people using the mask once a day; INIA talks about visible results after 4 weeks.
- Short sessions: 4 to 8 minutes on the Shark, 10 minutes 3 to 5 times a week on the iRestore.
- Price range on October 21, 2026: from $76.48 (INIA) to $379.00 (iRestore) on Amazon.com.
Which LED mask for your budget?
| Mask | Price (checked Oct 21, 2026) | Amazon.com rating | What sets it apart (per the listing) | Verdict |
|---|---|---|---|---|
| Shark CryoGlow FW312 | $339.99 | 4.4/5 (1,110 ratings) | Red, blue and infrared, 4- to 8-minute treatments, under-eye cooling, FDA-cleared | Our pick ✅ |
| INIA GLOW 4D | $179.98 | 4.4/5 (636 ratings) | 320 LEDs, dual near-infrared, flexible silicone, cooling eye pad, cordless | Best value ✅ |
| iRestore Red Light Mask 360 LEDs | $379.00 | 4.5/5 (1,037 ratings) | 415, 635 and 830 nm, 10-minute sessions, cordless, US brand | Top rated |
| INIA Red Light Mask 220 LEDs | $76.48 | 4.2/5 (1,530 ratings) | 630 and 850 nm, red and blue, 105 mW/cm² stated, 10/20/30-minute timer | Budget pick |
Prices, ratings and stock checked on Amazon.com on October 21, 2026, for delivery to a New York ZIP code: all four were in stock. The Shark is sold and shipped by Amazon.com; the iRestore by iRestore, the two INIA masks by INIA Official US.
What do the brands really promise, and on what evidence?
Shark CryoGlow: short treatments and a cool under-eye
Shark’s Amazon.com listing describes four treatments developed with dermatologists: Better Aging (red and infrared, 6 minutes), Skin Clearing (blue, infrared and red, 8 minutes), Skin Sustain (all three lights, 4 minutes) and Under-Eye Revive, a 5- to 15-minute cooling treatment with 3 chill levels. The mask is FDA-cleared and was tested on 119 participants by an independent third party, says Shark; its fine-line and acne results come from two 12-week studies with 60 and 59 people using it once a day. TechRadar weighed it at about 675 g (1.5 lb). Shark also notes it may be eligible for FSA and HSA spending.
Best for: anyone who wants a quick routine and doesn’t mind a rigid mask.
INIA GLOW 4D: the comfortable, cordless middle ground
Its listing lists 320 LEDs in flexible silicone that follows your face, two near-infrared channels, and four modes (red, blue, amber and combo). A magnetic cooling gel pad soothes puffy eyes, and the mask runs without a cord. INIA doesn’t cite a clinical study of its own.
Best for: a first LED mask that’s light, flexible and half the Shark’s price.
iRestore: the best-rated of the four
iRestore’s listing gives its three wavelengths, red (635 nm), infrared (830 nm) and blue (415 nm), across 360 LEDs, with 10-minute sessions 3 to 5 times a week. Dual straps hold the mask slightly off your face and block direct light from your eyes. It has the highest rating here, 4.5/5 from 1,037 ratings.
Best for: fine lines and dark spots, if you want a well-reviewed US brand.
INIA Red Light Mask: the most transparent budget pick
The least expensive mask is also the most detailed listing: 220 LEDs, 630 nm red and 850 nm near-infrared, blue light, and a stated power output of up to 105 mW/cm². A 2,600 mAh controller offers 10, 20 or 30-minute sessions, 3 to 7 times a week.
Best for: trying red light therapy for under $80.
Skip LED masks if you’re pregnant or breastfeeding, have epilepsy, a light-sensitive skin or eye condition, or take light-sensitizing medication, and keep your eyes protected as your mask’s manual says. If you use retinol or benzoyl peroxide or have a skin condition, ask a dermatologist first; the manufacturer’s manual has the final word.
Who should skip it
If you won’t use it at least three times a week, save your money for now: every result the brands cite comes from regular use over weeks. And a mask comes after the basics, cleansing and daily sunscreen, not instead of them.
What the listings reveal side by side
Comparing the four Amazon.com listings with TechRadar’s review brings out three points that none of them highlights.
- LED count isn’t the dose. The listings show 220, 320, 360 or 481 LEDs (Shark), but the dose your skin gets depends on power density (in mW/cm²) and time. Only the cheapest mask, the INIA at $76.48, states its power output. Comparing masks by LED count is like comparing lamps by the number of bulbs without knowing their wattage.
- Clinical data mostly comes from the brands. Shark is the only one of the four citing its own studies (119 participants, then two 12-week studies); the others rely on the wavelengths they use. That still gives the CryoGlow the strongest file of the group.
- Battery life depends on the program. TechRadar lists the CryoGlow’s battery among its weak points; the shorter treatments (4 to 8 minutes) stretch a charge further than the long under-eye cooling sessions.
| Mask | Cost per session over one year |
|---|---|
| INIA Red Light Mask | $0.49 |
| INIA GLOW 4D | $1.15 |
| Shark CryoGlow | $2.18 |
| iRestore | $2.43 |
Our math: Amazon.com price on October 21, 2026, divided by 156 sessions (3 a week for a year). Electricity not included. Every extra year of use lowers the cost per session.
1. A mask with published wavelengths and a session plan in writing.
2. A study cited by the brand, even if the brand funded it, rather than none.
3. An identifiable seller and a product in stock on the day we check.
FAQ
Do LED face masks really work?
Brands publish studies based on 4 to 12 weeks of regular use, but they run or fund them. The promised effects are visible but modest: an LED mask works alongside sunscreen and a good routine, and doesn’t replace a dermatologist.
How long is an LED mask session?
It depends on the mask: 4 to 8 minutes per treatment on the Shark CryoGlow, 10 minutes on the iRestore, and 10, 20 or 30 minutes to choose from on the INIA Red Light Mask.
Who shouldn’t use an LED face mask?
People who are pregnant or breastfeeding, people with epilepsy, light-sensitive skin or eye conditions, and anyone taking light-sensitizing medication. If you use retinol or benzoyl peroxide, check with a dermatologist first.
Does a mask with more LEDs work better?
Not necessarily. The dose depends on power density (mW/cm²) and session time. Of the four listings we checked on October 21, 2026, only the INIA Red Light Mask states its power output.
Is the Shark CryoGlow FSA or HSA eligible?
Shark says it may be, depending on your health plan administrator, who may ask for extra paperwork such as a letter of medical necessity.
Are LED masks worth it? Our verdict
If your basics (cleansing, sunscreen) are in place and you’ll stick to a few sessions a week, the Shark CryoGlow ($339.99, checked October 21, 2026) is the strongest choice: FDA-cleared, studies cited, 4- to 8-minute treatments, built-in under-eye cooling, and 4.4/5 from 1,110 ratings. To start for less, the INIA GLOW 4D ($179.98) is light, flexible and cordless. The iRestore ($379.00) is the best-rated of the four, and the INIA Red Light Mask ($76.48) is the easiest way to try red light at home.
To round out your routine, see our facial cleansing brush guide, and our best lighted makeup mirrors to see your skin clearly in true light. All our picks: Our picks.
- Amazon.com — Shark CryoGlow FW312
- TechRadar — Shark CryoGlow review
- Amazon.com — INIA GLOW 4D
- Amazon.com — iRestore Red Light Therapy for Face
- Amazon.com — INIA Red Light Therapy Mask
How we work: this review combines published tests, user feedback and manufacturer specs, checked on October 21, 2026. We did not test these devices ourselves.