Get The Air purifier Designed for Brain Health
Brain Defenders Special: 15% off With Code "DEFEND"
Clean Air is fundamental to brain health. Get the doctor-designed purifier made for brain health, better sleep, and long-term vitality.
Industry-Leading HEPA-14 Filtration
Designed for Massive Coverage
Third-Party Verified Performance
I have been involved with Lichen Air from the start. Clean air is essential to brain health and far too often overlooked. This is the exact air purifier I use in my home!
-David Perlmutter, MD
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Free Shipping 30-Day Risk-Free Trial Fast Delivery in USA
Free Shipping. 30-Day Risk-Free Trial. Fast Delivery in USA.
The Air In Your Home Could be 5x Dirtier Than What's Outside
The Air In Your Home Could Be 5× Dirtier Than What's Outside
Everyday activities — cooking, cleaning, candles, even furniture — release ultrafine particles that linger for hours.
Add mold, pet dander, and city pollution, and your home becomes a hidden source of fatigue and inflammation.
We breathe 20,000 times a day, and each breath impacts how we think, sleep, and feel — yet most purifiers barely touch the problem.
Meet the Physician-Designed Solution to Everyday Air Pollution
Meet the Physician-Designed Solution to Everyday Air Pollution
When we discovered how polluted indoor air truly is, we created something different — Lichen Air. Focused on cognitive performance and long-term brain health, Lichen Air is the only physician-designed, third-party-verified purifier to remove pollutants that affect brain and body — using industry-leading dual HEPA-14 filters, zero-ozone technology, and powerful purification for large spaces — helping you think clearer, sleep better and live a healthy life.
Dual HEPA 14 Filters
Activated Carbon Filters
AHAM Verifide Room Size: 673 Square Feet
Smoke CADR: 434 CFM
Dust CADR: 425 CFM
Pollen CADR: >450 CFM
Real-Time Air Quality Monitor
Sleep Mode
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Designed to Protect Your Brain Wellness and Overall Longevity
Made for Easier Breathing Every Day — Less congestion, fewer sneezes, and comfort you can feel.
Designed for Deeper, Restorative Sleep — Clean air supports brain recovery and better rest.
Naturally Fresh Atmosphere — Fresh air without chemical scents or ozone gimmicks.
Energy-Efficient Performance — Maximum freshness with minimal electricity.
Peaceful Ambience — No distracting lights or noise on sleep mode — just quiet, smart purification.
UPGRADE MY AIR
WHY CHOOSE LICHEN AIR?
FEATURE
Filter Type
Ozone Emission
Coverage
Noise Level
Display
Third-Party Testing
Doctor Involvement
Value
Most Purifiers
"HEPA-like" / HEPA-13
lonizers produce ozone
Unverified claims
Loud or ineffective
Decorative lights only
Rare or none
Marketing endorsements
$800 - $1,200 for fewer features
LICHEN AIR
HEPA-14 (99.995%)
Does Not Produce
AHAM-verified
Under 55 dB on Max - Quiet & Powerful
Real-time PM 2.5 Air Quality Display
AHAM & Energy Star Verified
Physician-Designed & Trusted
$680 (15% off)
FEATURE
Filter Type
Ozone Emission
Coverage
Noise Level
Display
Third-Party Testing
Doctor Involvement
Value
Most Purifiers
"HEPA-like" / HEPA-13
Produce ozone
Unverified claims
Loud or ineffective
Decorative only
Rare or none
Marketing endorsements
$800 - $1,200 for fewer features
LICHEN AIR
HEPA-14 (99.995%)
Does Not Produce
No ozone
AHAM-verified
Under 55 dB on Max
Real-time Display
AHAM & Energy Star
Physician-Designed & Trusted
$680 ($120 off)
The Lichen Air Health Experts
Make the switch to a doctor-designed air purifier shown to efficiently and quietly remove key indoor air pollutants.
You breathe 20 000 times a day — make every breath count.
Limited-time 15% discount for Brain Defenders Readers to upgrade your air and health.
Get the Brain Defenders Special Discount
Free Shipping · 30-Day Risk-Free Trial · Zero Ozone · Doctor-Designed · Verified Performance
Get $200 Off