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Tried Other Hair Regrowth Solutions Without Success?

It’s time for something that actually works.
  • Invest Once, Regrow for Years
  • Natural regrowth powered by clinically proven laser therapy
  • Regrow your hair the natural way, with clinically proven laser therapy.
  • Safe, painless, and free from harsh side effects

Three Simple Steps
To Use The Kiierr Laser Cap

We've designed the Kiierr Laser Cap to be as easy and convenient as possible. Follow these three
simple steps to start your journey to thicker, healthier hair

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Place The Laser Cap On Your Head

Simply put the cap on, ensuring it fits comfortably and covers the areas where hair growth is needed.

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Activate The Laser Cap

Press the power button to start your treatment. The cap's medical-grade lasers will begin stimulating your scalp.

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Relax For 7 Minutes

Sit back and relax while the cap does the work. After the treatment is complete, the cap will automatically shut off..

Why Choose Kiierr? The Science-Backed Solution

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Why Choose Kiierr? The
Science-Backed Solution

Kiierr’s advanced PureLaser™ Technology uses medical-grade laser diodes to stimulate hair follicles at the optimal wavelength - no LEDs, no chemicals, no side effects.

  • Boosts cellular energy to reactivate dormant follicles
  • Enhances blood flow for healthier, stronger hair
  • Delivers deeper follicle activation for visible, long-term regrowth

Kiierr is the only laser cap you need for thicker, fuller hair - naturally.

What Sets Kiierr Apart from Other
Hair Growth Caps?

Many laser caps use low-power LEDs that fail to penetrate deeply enough for real regrowth. Kiierr is different.

  • PureLaser™ Technology – Only medical-grade laser diodes for superior follicle stimulation
  • Clinically proven 650nm wavelength – The scientific standard for hair regrowth
  • Full scalp coverage – Evenly distributes laser energy for maximum effectiveness
  • One-time investment – No chemicals, no subscriptions, no ongoing costs

Designed for convenience, long-term results, and real science, Kiierr is trusted by doctors, hair loss specialists, and thousands of satisfied customers.

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Kiierr vs Other Brands – The Difference is Clear

Feature
PureLaser™ Technology (No LEDs)
Clinically Proven Wavelength (650nm)
Usage Frequency
Full Scalp Coverage
FDA Cleared
Rechargeable Battery (Portable & Wireless)
Comfortable & Discreet
Cap Image Kiierr Laser Cap
Check Mark Image Medical-Grade Lasers Only
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Check Mark Image 6 Minutes Daily
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Cap Image Other Brands
Check Mark Image Uses Weak LEDs
Check Mark Image Often Uses Unverified Wavelengths
Check Mark Image 3 Times Per Week
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Check Mark Image Plug-In Only
Check Mark Image Bulky & Uncomfortable

PureLaser™ Technology: The
Science Behind Hair Regrowth

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Kiierr’s PureLaser™ Technology is backed by clinically proven Low-Level Laser Therapy (LLLT), the gold standard for natural, non-invasive hair regrowth.

  • Medical-grade laser diodes penetrate the scalp at a scientifically proven 650nm wavelength
  • Increases blood circulation, delivering essential nutrients to hair follicles
  • Stimulates dormant follicles, triggering natural regrowth
  • Reactivates stem cells, improving thickness, density, and overall hair health
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Trusted by Doctors & Hair Loss Specialists

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Dr. Nathaniel Talibong, MD
Primary Care Physician

Trusted by Doctors & Hair Loss Specialists

Physicians and hair loss experts worldwide recommend Kiierr as a safe, effective, and drug-free solution for hair regrowth.

  • FDA-Cleared Treatment – Used in medical practices for non-invasive hair restoration
  • Backed by Science – Clinically proven to increase hair density and reduce shedding
  • At-Home Convenience – Professional-grade technology without the high cost of in-office treatments

Kiierr delivers real results, helping you regrow thicker, healthier hair naturally—without prescriptions, surgeries, or side effects.

Join 100K+ Happy Kiierr Customers
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Amazing Product I was astounded when I started seeing growth after 6 weeks! You have nothing to lose with the hair growth guarantee....just do it!
Brian D. Verified Image Verified purchase
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Would Reccomend I have been using the Kiierr Laser cap for 6 months. It works great. I would recommend!
Austin w. Verified Image Verified purchase
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This Really Works! Since using the Kiierr laser cap, I have definitely noticed a difference in my hair. After a few months of using it, I saw lots of new growth!
Lisa G. Verified Image Verified purchase

Hair Regrowth for Everyone – All Skin & Hair Types

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Hair loss doesn’t discriminate, and neither does Kiierr.

Our technology works across all ethnicities, skin tones, and hair types. Whether your complexion is fair, medium, or deep, Kiierr’s medical-grade laser diodes ensure effective follicle stimulation at 650nm—the scientifically proven wavelength for hair regrowth.

No chemicals. No medications. Just science-backed results

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Choosing the Right Kiierr Cap For You

Kiierr Laser Cap Hair Growth System

272 Premier Laser Cap

Power Output: 1,360mW

Use :30min/every other day

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$1,199.00 $1,299.00

  • 272 Medical Grade Laser Diodes
  • Fits Up to 23″ Heads
  • Most popular hair growth option!
Buy now

302 MD Ultra Flex Laser Cap

Power Output: 1,510mW

Use :6 min/daily

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$1,499.00 $2,008.00

  • 302 Medical Grade Laser Diodes
  • Comfortable Flex Fit
  • Most laser diodes for quick results!
Buy now
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Our Money-Back Guarantee

Try Kiierr Risk-Free!

If you don’t see results in 7 months, return it for a full refund. We stand behind our product, because we know it works!

Frequently Asked Questions

Will laser therapy work for my type of hair loss?

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Absolutely! Low-Level Light Therapy (LLLT) is versatile and effective for a wide range of hair loss conditions. Whether you're experiencing pattern baldness, thinning due to stress, hormonal imbalances, alopecia areata, or telogen effluvium, Kiierr can help.

LLLT works for both men and women, all ages, hair textures, and skin tones. Many users have seen incredible results—start your journey to thicker, healthier hair today!

Which laser cap should I choose?

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Kiierr offers four laser cap options to suit different needs:

  • 148 Pro – Best for early-stage hair loss or those on a budget, with steady, gradual results.
  • 272 Premier – Our bestseller, delivering faster and more noticeable regrowth.
  • 272 MD Elite – Ideal for larger head sizes or those needing extensive scalp coverage.
  • 302 MD Ultra Flex – The fastest results with maximum comfort, perfect for severe hair loss.

Not sure which one is right for you? Our team is happy to help guide you!

How long will it take to see results?

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Most users notice improvements within 6-12 weeks, with full results developing over several months. We’re so confident in our laser caps that we offer a 7-month growth guarantee - if you don’t see results, you can return it!

Why should I buy your cap vs competitors?

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Kiierr isn’t just a product - it’s a community dedicated to hair restoration. Since 2017, we've provided medical-grade laser caps with a 2-year warranty and a 7-month growth guarantee, ensuring real results.

Plus, our exceptional customer support team is here to guide, support, and celebrate your progress every step of the way.

Do you offer payment plans?

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Yes! We offer flexible financing through Affirm, Afterpay, and PayPal Pay Later, so you can choose the payment option that fits your budget:

  • Affirm – Split your purchase into easy monthly payments, with interest rates as low as 0% APR.
  • Afterpay – Pay in four equal installments, due every two weeks, with no interest or fees.
  • PayPal Pay Later – Choose to pay in full within 6 months with no interest, or make minimum monthly payments with interest.

Simply select your preferred payment option at checkout!