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📄 Click here to view or download the product manual (PDF)
【Dual-Wavelength Light Therapy (660nm & 830nm)】Featuring a combination of red light (660nm) and infrared light (830nm), this hat is equipped with 120 LED beads (60 red light + 60 infrared) to target different areas effectively. It promotes hair growth, repairs damaged hair follicles, and supports brain cell metabolism and relaxation.
【Lightweight, Portable, and Comfortable】Weighing only 140 grams, this foldable hat is designed for comfort and portability. It’s easy to carry and wear for extended periods without any discomfort.
【Safety and Certification】Certified by the FDA and holding a European patent, this product ensures safety and reliability. It uses pure physical therapy with no side effects and includes an automatic shut-off feature (after 20 minutes) to prevent overuse.
【Smart Features and Easy Operation】With three adjustable pulse modes (no pulse/10Hz/40Hz), this hat adapts to various treatment needs. The one-touch switch and long-press pause function make it simple and convenient to use.
【Professional Design for Effective Light Therapy】The convex lens design concentrates light, delivering it directly to the hair follicle roots (1-3mm deep). This activates hair follicles and promotes a healthy growth cycle for optimal results.










Usage Demonstration
1 . Product connect to the controller
2 . Plug in the power cord
3 . Press the switch to turn it on or off
4 . Put the hat on the head
Precautions:
1.Do not washed and avoid water contact with plugs and connectors,it is recommended to use professional cleaners for wiping.
2.Please use the matching power cord , it is recommended to use a 5V1A plug for charging.
3.When used with a power bank , the product will be limited by the power of the power bank device , and the power and brightness will be signifi-cantly reduced.
4.Avoid squeezing and over-bending the product when using it.
Specifications:
Wavelength:660nm&830nm
Number of led light:60pcs*660nm,60pcs*830nm;total 120pcs led lights
Product perimeter:25.6in/65cm
Product diamete:7.5in/19cm
Product weight:4.8ounce/140g
Due to manual measurement error between 0.4-0.8 inch
Packing List:
Cap*1
USB cord*1
Adapter *1
Instruction manual *1
Box*1
The FREYARA 120-LED Hair Growth Cap combines 660nm red light and 830nm near-infrared light in a lightweight, wearable system designed for convenient at-home hair and scalp care.
Its 120 LEDs are evenly divided between red and near-infrared wavelengths, providing broad dual-wavelength light delivery across key areas of the scalp.
Continuous, 10Hz and 40Hz treatment modes allow you to personalize each session, while the automatic 20-minute timer makes consistent use simple and convenient.
Continuous Light Mode — Provides steady 660nm red and 830nm near-infrared illumination for regular hair and scalp-care routines.
10Hz Pulse Mode — Delivers dual-wavelength light in a gentle 10Hz pulsed pattern for an alternative treatment experience.
40Hz Pulse Mode — Delivers dual-wavelength light in a faster 40Hz pulsed pattern.
Pause Function — Long-press the controller to conveniently pause treatment when needed.
Smart Timer — Each treatment cycle automatically ends after approximately 20 minutes.
1. Connect the light therapy cap to the controller.
2. Connect the USB power cable to the supplied adapter or compatible power source.
3. Place the cap comfortably over clean, dry hair and scalp.
4. Press the control button to turn the device on.
5. Select continuous light, 10Hz pulse or 40Hz pulse mode according to your preferred routine.
6. Relax during the treatment cycle while keeping the cap comfortably positioned over the scalp.
7. The device automatically shuts off after approximately 20 minutes.
8. Turn the device off and disconnect the power cable after treatment.
9. Wipe the cap gently when cleaning and keep all electrical plugs and connectors dry.
10. Avoid excessive squeezing, folding or bending of the LED structure.
Product Type: LED Red & Near-Infrared Hair Growth Cap
SKU: FY15.0009
Light Source: LED
Total LED Quantity: 120
Red LEDs: 60 × 660nm
Near-Infrared LEDs: 60 × 830nm
Treatment Modes: Continuous / 10Hz Pulse / 40Hz Pulse
Automatic Timer: Approx. 20 Minutes
Light Delivery: Convex Lens Focused Design
Product Perimeter: Approx. 65cm / 25.6in
Product Diameter: Approx. 19cm / 7.5in
Product Weight: Approx. 140g / 4.8oz
Power Connection: USB
Recommended Adapter: 5V / 1A
Design: Lightweight & Foldable
Operation Type: Corded
One-Year Warranty
Your FREYARA 120-LED Hair Growth Cap includes a one-year warranty for added purchase confidence.
30-Day Money Back Guarantee
Eligible purchases are also covered by FREYARA's 30-day money-back guarantee, subject to the applicable return terms and conditions.
For warranty or product support, contact FREYARA Customer Support with your order information and product details.
For external scalp-care use only.
Avoid looking directly into the illuminated LEDs.
Use the cap on clean, dry hair and scalp.
Do not wash, soak or immerse the electronic light therapy cap in water.
Keep plugs, connectors and electrical components dry.
Turn the device off and disconnect it from power before cleaning.
Do not excessively squeeze, fold or sharply bend the LED structure.
Use the supplied or recommended compatible power adapter.
Stop use if you experience significant scalp irritation, eye discomfort, dizziness, excessive warmth or another unusual reaction.
People with photosensitivity or those using photosensitizing medications should seek appropriate professional guidance before using light-based therapy.
Always follow the product manual and recommended treatment duration.
Q: What does the FREYARA 120-LED Hair Growth Cap do?
A: It combines 660nm red light and 830nm near-infrared light to support healthier scalp care and fuller, thicker-looking hair as part of a consistent hair-growth routine.
Q: How many LEDs does the cap have?
A: It features 120 LEDs distributed across the wearable cap for broad scalp light coverage.
Q: How are the 120 LEDs configured?
A: The system includes 60 red LEDs at 660nm and 60 near-infrared LEDs at 830nm.
Q: What wavelengths does the cap use?
A: It combines 660nm visible red light with 830nm near-infrared light for dual-wavelength hair and scalp care.
Q: Is this an LED or laser hair growth cap?
A: This model uses LED light technology. FREYARA also offers separate LLLT laser-cap models for customers specifically looking for laser-diode systems.
Q: What treatment modes are available?
A: The cap offers three treatment options: continuous light, 10Hz pulsed light and 40Hz pulsed light.
Q: What is Continuous Light Mode?
A: Continuous mode provides steady 660nm red and 830nm near-infrared illumination throughout the treatment session.
Q: What is the 10Hz mode?
A: The 10Hz mode delivers the dual-wavelength light in a slower pulsed pattern for an alternative treatment experience.
Q: What is the 40Hz mode?
A: The 40Hz mode delivers the same red and near-infrared wavelengths in a faster pulsed pattern.
Q: How long is each treatment session?
A: The built-in timer automatically ends each session after approximately 20 minutes.
Q: Does the cap shut off automatically?
A: Yes. It features an automatic 20-minute shutoff for convenient hands-free treatment.
Q: Does the cap have a pause function?
A: Yes. The controller supports a long-press pause function for convenient treatment control.
Q: What areas of the scalp can it cover?
A: The wearable cap is designed to provide broad coverage across the crown, top of the scalp, hairline, temples, part line and other thinning areas positioned beneath the LEDs.
Q: Is the cap suitable for thinning hair?
A: Yes. It is designed for users looking to support hair density, thinning areas and healthier-looking hair through consistent red and near-infrared light therapy.
Q: Can both men and women use it?
A: Yes. The cap can be incorporated into hair and scalp-care routines for both men and women.
Q: Is the cap rechargeable?
A: No. This version is a corded USB-powered model and operates while connected to a compatible power source.
Q: Can I use the cap with a power bank?
A: Yes, but FREYARA notes that some power banks may reduce the available power and LED brightness compared with the recommended power connection.
Q: How much does the cap weigh?
A: The cap weighs approximately 140g, making it lightweight and comfortable for regular treatment sessions.
Q: Is the cap foldable?
A: Yes. Its lightweight flexible construction allows the cap to be folded for easier storage and portability, although excessive bending should be avoided.
Q: Should I use it on wet or dry hair?
A: Use the cap on clean, dry hair and scalp for better light exposure and safer operation around the electronic components.
Q: How often should I use the cap?
A: Consistency is important with light-based hair-care routines. Follow the product manual and recommended treatment schedule rather than increasing session duration beyond the built-in 20-minute cycle.
Q: How long does it take to see results?
A: Hair-growth changes develop gradually and vary between individuals. Consistent use over several months may be needed before noticeable changes in hair density or thickness become apparent.
Q: What comes with the cap?
A: The package includes one 120-LED light therapy cap, USB power cable, power adapter, user manual and product box.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The cap or comb was easy to include in a regular evening routine. Cleaning and storage were straightforward after the unit was powered down. The only minor issue was that the controller takes a few uses to memorize. Overall, the positives outweighed the small setup issue. Keeping the same accessories together saved time on later sessions.
Thank you for the balanced feedback, David. We have noted the minor usability point.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The light coverage felt consistent across the scalp. The device is easiest to use when all accessories are stored together. The combination of simple controls and a repeatable routine made the experience positive. The controls felt more intuitive after another practice session.
We appreciate your review, Heidi. It is helpful to hear that the routine was consistent and straightforward.
Fine short hairs were easier to see around the hairline after a consistent routine. The timer and light controls were simple to use. Cleaning and storage were straightforward after the unit was powered down. The only minor issue was that the battery should be charged before several sessions. The routine was positive overall, with only a small learning curve. The second setup was quicker than the first.
We appreciate the details, Mia. Your comments are helpful as we refine the first-use guidance.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The timer and light controls were simple to use. The device is easiest to use when all accessories are stored together. The combination of simple controls and a repeatable routine made the experience positive. The second setup was quicker than the first.
We appreciate your review, Brooke. It is helpful to hear that the routine was consistent and straightforward.
The crown looked a little fuller in comparison photos taken under the same light. The cap or comb was easy to include in a regular evening routine. The setup became much faster after the first few uses. Overall, this was one of the easier products in the test set to use consistently. The second setup was quicker than the first.
We appreciate your review, Jordan. It is helpful to hear that the routine was consistent and straightforward.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The light coverage felt consistent across the scalp. The overall build feels appropriate for repeated test use. The first-use experience would be better if the fit needed a small adjustment. The routine was positive overall, with only a small learning curve. The controls felt more intuitive after another practice session.
We appreciate the details, Naomi. Your comments are helpful as we refine the first-use guidance.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The light coverage felt consistent across the scalp. The overall build feels appropriate for repeated test use. The combination of simple controls and a repeatable routine made the experience positive. The controls felt more intuitive after another practice session.
We appreciate your review, Charlotte. It is helpful to hear that the routine was consistent and straightforward.
The crown looked a little fuller in comparison photos taken under the same light. The light coverage felt consistent across the scalp. Cleaning and storage were straightforward after the unit was powered down. The only minor issue was that the battery should be charged before several sessions. The routine was positive overall, with only a small learning curve. Repeating the same setup made the workflow easier to compare.
Thank you for the balanced feedback, Julian. We have noted the minor usability point.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The light coverage felt consistent across the scalp. Keeping the same routine each time made comparisons easier. The combination of simple controls and a repeatable routine made the experience positive. A consistent storage routine helped keep everything organised.
We appreciate your review, Ella. It is helpful to hear that the routine was consistent and straightforward.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The light coverage felt consistent across the scalp. The overall build feels appropriate for repeated test use. The main thing I would improve is that the controller takes a few uses to memorize. Overall, the positives outweighed the small setup issue. The controls felt more intuitive after another practice session.
We appreciate the details, Aria. Your comments are helpful as we refine the first-use guidance.
The crown looked a little fuller in comparison photos taken under the same light. The light coverage felt consistent across the scalp. The setup became much faster after the first few uses. The main thing I would improve is that the battery should be charged before several sessions. The routine was positive overall, with only a small learning curve. Repeating the same setup made the workflow easier to compare.
Thank you for the balanced feedback, Sarah. We have noted the minor usability point.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The timer and light controls were simple to use. The device is easiest to use when all accessories are stored together. The only minor issue was that the controller takes a few uses to memorize. The device worked well once the minor usability point was understood. The controls felt more intuitive after another practice session.
Thank you for the balanced feedback, Henry. We have noted the minor usability point.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The timer and light controls were simple to use. The setup became much faster after the first few uses. Overall, this was one of the easier products in the test set to use consistently. Keeping the same accessories together saved time on later sessions.
We appreciate your review, Georgia. It is helpful to hear that the routine was consistent and straightforward.
Fine short hairs were easier to see around the hairline after a consistent routine. The timer and light controls were simple to use. Keeping the same routine each time made comparisons easier. The first-use experience would be better if the fit needed a small adjustment. Overall, the positives outweighed the small setup issue. The second setup was quicker than the first.
Thank you for the balanced feedback, Brooke. We have noted the minor usability point.
The crown looked a little fuller in comparison photos taken under the same light. The timer and light controls were simple to use. The setup became much faster after the first few uses. The result was encouraging and the setup was easy to maintain. The second setup was quicker than the first.
We appreciate your review, William. It is helpful to hear that the routine was consistent and straightforward.
Fine short hairs were easier to see around the hairline after a consistent routine. The cap or comb was easy to include in a regular evening routine. The controls are clear enough that I did not need to keep checking the manual. The combination of simple controls and a repeatable routine made the experience positive. A consistent storage routine helped keep everything organised.
Thank you for the detailed feedback, Caroline. We are glad the setup and controls were easy to work with.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The timer and light controls were simple to use. The overall build feels appropriate for repeated test use. The result was encouraging and the setup was easy to maintain. A consistent storage routine helped keep everything organised.
We appreciate your review, Olivia. It is helpful to hear that the routine was consistent and straightforward.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The light coverage felt consistent across the scalp. Keeping the same routine each time made comparisons easier. Overall, this was one of the easier products in the test set to use consistently. Repeating the same setup made the workflow easier to compare.
We appreciate your review, Maya. It is helpful to hear that the routine was consistent and straightforward.
The crown looked a little fuller in comparison photos taken under the same light. The light coverage felt consistent across the scalp. The setup became much faster after the first few uses. The result was encouraging and the setup was easy to maintain. The second setup was quicker than the first.
We appreciate your review, Daniel. It is helpful to hear that the routine was consistent and straightforward.
There seemed to be fewer loose hairs on the brush compared with the start of the test period. The timer and light controls were simple to use. The device is easiest to use when all accessories are stored together. The result was encouraging and the setup was easy to maintain. A consistent storage routine helped keep everything organised.
Thank you for the detailed feedback, Julian. We are glad the setup and controls were easy to work with.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The light coverage felt consistent across the scalp. The controls are clear enough that I did not need to keep checking the manual. The only minor issue was that the battery should be charged before several sessions. The routine was positive overall, with only a small learning curve. The controls felt more intuitive after another practice session.
Thank you for the balanced feedback, Maya. We have noted the minor usability point.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The timer and light controls were simple to use. The controls are clear enough that I did not need to keep checking the manual. The result was encouraging and the setup was easy to maintain. A consistent storage routine helped keep everything organised.
Thank you for the detailed feedback, Avery. We are glad the setup and controls were easy to work with.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The cap or comb was easy to include in a regular evening routine. The setup became much faster after the first few uses. The result was encouraging and the setup was easy to maintain. The controls felt more intuitive after another practice session.
Thank you for the detailed feedback, Caroline. We are glad the setup and controls were easy to work with.
After several weeks of consistent use, the part line looked slightly narrower in the same lighting. The light coverage felt consistent across the scalp. The controls are clear enough that I did not need to keep checking the manual. The main thing I would improve is that the controller takes a few uses to memorize. The device worked well once the minor usability point was understood. The second setup was quicker than the first.
Thank you for the balanced feedback, Isla. We have noted the minor usability point.
Fine short hairs were easier to see around the hairline after a consistent routine. The light coverage felt consistent across the scalp. The controls are clear enough that I did not need to keep checking the manual. The combination of simple controls and a repeatable routine made the experience positive. The second setup was quicker than the first.
Thank you for the detailed feedback, Ivy. We are glad the setup and controls were easy to work with.
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