KeraFlex Laser Cap Duo

19,000.00 kr
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Used by Bryan Johnson in the documentary Don’t Die: The Man Who Wants to Live Forever.

Reverse hair loss in 16 weeks

Only 6 minutes per day

One of the lowest cost-per-diode options

Safe for All Hair Types

Introducing the Next Generation of Hair Growth Technology

Engineered with 312 precision-calibrated laser diodes, the KeraFlex Duo ensures complete scalp coverage at clinically proven dosages.

Harnessing dual wavelength power, it combines:

  • 272 diodes at 650nm to reawaken dormant follicles and boost follicular metabolism.

  • 40 diodes at 808nm (near-infrared) to penetrate deeper, enhancing blood flow and nourishing the scalp at a cellular level.

Designed for comfort and convenience, the flexible cap adapts perfectly to your head, while smart sensor activation starts treatment automatically when in place.

Each timed 6-minute session delivers maximum therapeutic benefit with built-in safety through auto shut-off.

Packaged in a sleek protective carrying case, it’s a treatment you can trust — safe, effective, and ready to fit seamlessly into your modern lifestyle.

Sizing Details:

Engineered with flexible, comfort-fit materials. The cap’s opening measures approximately 8 inches long by 7 inches wide, flexing to comfortably fit a wide range of head sizes for optimal treatment precision.

312 Total Medical-Grade Laser Diodes: 272 diodes at 650nm + 40 diodes at 808nm for a balanced therapeutic approach.

Dual Wavelength Technology:

650nm Red Light – Stimulates mitochondrial activity, boosting ATP production for stronger, healthier strands.

808nm Near-Infrared Light – Penetrates deeper to promote blood vessel formation, improving scalp nourishment and long-term follicle support.

Flexible Design: Comfortable and adjustable to all head sizes.

Smart Sensor Start: Easy-to-use activation.

Daily 6-Minute Sessions: Convenient, automatic shut-off ensures ease of use.

Added Benefit: Two-tiered system enhances scalp vitality, supports follicle strength, and promotes visible improvements in hair density and thickness.

For best results, use your cap daily (or at least 3–4 times a week).

Step 1: Apply the Scalp Stimulating Solution before putting on the cap.
Step 2: Wear the cap for 6 minutes — it will beep when the session is complete.

If the cap doesn’t seem to turn on, don’t worry. It has built-in smart sensors that make sure the lasers only start when the cap is correctly on your head. Just:

Place the cap on your head.

Press and hold the button on the battery pack until it beeps.

Facing a mirror, gently lift the front edge — you should see a red glow inside when it’s working.

Enhance your results 

 

Key Features

Tested and trusted. This device is officially FDA-cleared as a safe and easy way to help stop hair thinning and start growing healthy new hair.

With 302 real lasers, this cap covers your whole head. It reaches everywhere from your front hairline all the way to your crown, making sure no spot is left out.

Get great results without taking up your whole day. You only need to wear it for 6 quick minutes a day, making it super easy to fit into your morning or nighttime routine.

Get the most for your money. Because we pack so many real lasers into one device, you are getting the absolute best hair-growth power for the best price out there.

It actually works. Real science and testing prove that this treatment helps you grow thicker, fuller, and stronger hair over time.

We use the absolute best light technology available for at-home hair growth. It safely "wakes up" your resting hair follicles to get your hair growing naturally again.

Comprehensive Scalp Coverage

Delivers targeted light energy precisely where you need it most.

Enjoy the best cost-per-diode on the market (44% less than comparable devices).

Effectively stimulates your hair follicles without the use of daily drugs, chemicals, or invasive procedures.

Results

Laser Cap Comparison

Frequently Asked Questions

Powered by premium laser diodes, the cap delivers low-level red light therapy at a clinically proven 650nm wavelength. This targeted treatment is designed to:

  • Stimulate the Scalp: Boosts blood flow and cellular metabolism directly at the follicle.
  • Prolong Hair Growth: Extends the anagen (growth) phase of your natural hair cycle.
  • Enhance Density: Strengthens individual follicles to promote visibly thicker, fuller, and healthier hair.

This device is clinically cleared to treat androgenetic alopecia—commonly known as genetic male or female pattern hair loss.

To ensure the best possible results, please note that this treatment relies on active hair follicles and is not intended for:

  • Temporary or situational hair loss (such as postpartum, stress-related, or chemotherapy-induced)
  • Underlying medical conditions (including autoimmune hair loss or scarring alopecia)
  • Advanced hair loss (complete baldness)

The cap features an interior circumference of 22.5 inches, which is specifically designed to provide a comfortable fit for most head sizes.

To ensure the perfect fit for you, we highly recommend taking a quick measurement of your head's circumference before placing your order.

Consistency is the key to maintaining your new growth. Because the low-level laser therapy actively stimulates your follicles, stopping the treatments will cause your hair's growth cycle to slow down and gradually return to its original baseline state.

The treatment is completely painless and feels just like wearing a standard cap. During your session, you may experience a gentle warming sensation on your scalp—this is perfectly normal and simply a sign that the light therapy is actively working.

Currently, the cap is FDA-cleared specifically for use on Fitzpatrick Skin Types I-IV, which range from fair to medium skin tones. Please note that for safety and compliance, it is not cleared for use on Types V-VI, which include darker complexions.

Yes! Your Kerafactor Laser Cap includes a 1-year limited warranty, which begins the day your device is delivered to your door (based on carrier tracking information).

If you run into any issues, our Customer Experience team is here to help. We will guide you through a quick troubleshooting process, which may involve asking for photos or videos of the issue. In some cases, we may ask you to send the device to our facility for hands-on testing:

  • If the device is working as intended: We will safely return it to you.
  • If the device is found to be defective: We will approve your claim and send you a replacement device.

Please note: Receiving a replacement does not restart your warranty. You will simply receive the remaining balance of your original 1-year coverage period.

How to File a Claim
To initiate a warranty claim, please visit our Shipping and Returns page: https://kerafactor.eu/pages/shipping-returns

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