Most Advanced Laser Cap 312 DualWave Laser Diodes

Equipped with the most laser diodes on the market, the 312 delivers deeper penetration, broader coverage & the power your scalp needs for real results.

Rated 4.9 / 5.0 | Over 100,000+ Customers

312 DualWave Laser Cap

Pre Sale

Original price was: $2,999.00.Current price is: $2,199.00.

Presale Pricing

Clinically Proven

Backed by science to regrow hair & rejuvenate skin.

Next-Level Technology

808nm NIR + 650nm laser diodes to stimulate follicles.

Premium Comfort

Flexible carbon fiber design for daily 6-min treatments.

Trusted by Thousands

Thousands of happy customers with real results.

Pre-Sale FREE Gifts + Savings

$2999 $2199

312 MD Dual
Flex Laser Cap

$49 FREE

Carrying
Case

$99 FREE

Rechargeable
Battery

$25 FREE

Scalp
Massager

$179 FREE

Advanced Hair
Growth Comb

$199 FREE

2 Month Supply
Product Bundle

Pre Sale Ships in 1-2 Weeks

Trusted by World
Leading Dermatologists

The 312 MD Dual Flex is our most powerful laser cap ever, designed with dual wavelengths and 312 medical grade lasers for deeper, more effective results. It covers more of your scalp and works in just 6 minutes a day. This limited time presale includes exclusive freebies: a 2 month supply of Kiierr shampoo, conditioner, and vitamins, plus a scalp massager and the Kiierr Restore Advanced Hair Growth Comb. Don’t miss out!

This cap uses low level laser therapy (LLLT) to stimulate blood flow, energize hair follicles, and reactivate growth at the root. Dual wavelengths penetrate different layers of the scalp to support stronger, thicker hair over time.

Charge the battery, put the cap on, and press start. Just 6 minutes a day is all it takes! It’s the easiest part of your routine.

  • 312 medical-grade laser diodes

  • Dual wavelength tech (650nm + 850nm)

  • Soft, flexible fit (head sizes up to 23.5")

  • Lightweight carbon fiber shell

  • Rechargeable battery pack

This product is currently in presale and ships in 2–3 weeks. Only presale orders include the full bonus bundle. Once they’re gone, they’re gone. Covered under our 7 month growth guarantee! See Return Policy for details. 

Featured in major publications:

Over 100k Women & Men Trust Kiierr to Restore Their Hair

I was astounded when I started seeing growth after 6 weeks! You have nothing to lose with the hair growth guarantee....just do it!
Denise C | Verified Buyer
I have been using the Kiierr Laser cap for 6 months. It works great. I would recommend!
Austin W | Verified Buyer

I am very pleased with the results of using the Kiierr Laser Cap. It really works!

Brian D | Verified Buyer

I was astounded when I started seeing growth after 6 weeks! You have nothing to lose with the hair growth guarantee....just do it!
Denise C | Verified Buyer
I have been using the Kiierr Laser cap for 6 months. It works great. I would recommend!
Austin W | Verified Buyer

I am very pleased with the results of using the Kiierr Laser Cap. It really works!

Brian D | Verified Buyer

I was astounded when I started seeing growth after 6 weeks! You have nothing to lose with the hair growth guarantee....just do it!
Denise C | Verified Buyer
I have been using the Kiierr Laser cap for 6 months. It works great. I would recommend!
Austin W | Verified Buyer

I am very pleased with the results of using the Kiierr Laser Cap. It really works!

Brian D | Verified Buyer

Why choose Kiierr for your hair growth?

The all-new 312 MD Dual Flex is our most advanced laser cap yet. With dual wavelengths for deeper reach, more laser diodes for fuller coverage, and a lightweight carbon fiber shell, it’s built for faster, better results. Just 6 minutes a day for one of the most powerful, comfortable, and effective hair growth solutions out there.

What makes the 312 MD Dual Flex different?

It’s our most advanced cap yet, combining 312 medical grade lasers with dual wavelengths (650nm + 850nm) for deeper reach and fuller scalp coverage. You get faster, more powerful results.

Yes! The 312 MD Dual Flex uses advanced low-level laser therapy to stimulate hair follicles, boost circulation & energize growth, all in just 6 minutes a day. The powerful lasers are precisely calibrated to deliver maximum results in minimal time so you can start seeing fuller, healthier hair without disrupting your routine.

Some users begin noticing early improvements like reduced shedding, thicker strands, or baby hairs in as little as 6 weeks. With consistent daily use, most see more noticeable changes, like fuller growth & improved hairline density, between 3 to 6 months.

Definitely. The cap uses a clinically proven technology supported by decades of research. LLLT has been shown to safely stimulate blood flow, increase cellular energy, & reactivate dormant hair follicles, helping promote thicker, healthier hair over time. It’s the same science trusted by hair restoration clinics, now available in a convenient at home device.

We offer a 7-month growth guarantee! Just register your device within 45 days of receiving it and submit a before photo. Then use the cap consistently for a full 7 months. If you don’t see results by the end of that period, you can return it. It’s our way of making sure you can try it with total confidence and peace of mind.

Ready to try our most advanced laser cap?

The 312 MD Dual Flex isn’t just another laser cap. With dual wavelengths,
312 medical-grade lasers, and enhanced coverage that reaches more of your
scalp, it’s built to deliver deeper, faster, and more effective results.

ORDER THE 312 MD NOW

Ready to try our most advanced laser cap?

The 312 MD Dual Flex isn’t just another laser cap. With dual wavelengths,
312 medical-grade lasers, and enhanced coverage that reaches more of your
scalp, it’s built to deliver deeper, faster, and more effective results.

The 312 MD Dual Flex isn’t just another laser cap. With dual wavelengths, 312 medical-grade lasers, and enhanced coverage that reaches more of your scalp, it’s built to deliver deeper, faster, and more effective results.

ORDER THE 312 MD NOW
No surgeries| No side effects| No pills| No surgeries| No side effects| No pills| No surgeries| No side effects| No pills

Common Questions About Kiierr

Will laser therapy work for my type of hair loss?

Absolutely! The great thing about Low-Level Light Therapy (LLLT) is its versatility! Whether you are male or female, 18 or 88, from pattern baldness to hair thinning due to stress or medical conditions like including alopecia areata, hormonal imbalances, telogen effluvium and so much more.

Users of all hair textures and skin tones have seen incredible results, regardless of age. Start your journey to thicker, healthier hair today and see why so many trust Kiierr for their hair growth needs!

We offer 5 laser cap options: 148 Pro, 272 Premier, 272 MD Elite, 302 MD Ultra Flex, and the new 312 MD Dual Flex. The 148 Pro is great for early hair loss or tighter budgets, offering slower but steady results. The 272 Premier is our bestseller, balancing power and value for faster regrowth. For larger heads or wider coverage, go with the 272 MD Elite. The 302 MD Ultra Flex adds a flexible fit and faster results, perfect for more advanced hair loss. 

Want the most advanced option available? The 312 MD Dual Flex offers dual wavelengths, deeper penetration, and full scalp coverage in just 6 minutes a day. 

Results vary, but most users see noticeable improvements within 6-12 weeks. We’re so confident in our product that we offer a 7-month growth guarantee—if you don’t see results, you can return the cap!

Laser therapy is a safe, non-invasive, and natural way to treat hair loss before considering more drastic measures like medications or surgery.

Why should I buy your cap vs competitors?

Choosing Kiierr is like joining a family & community committed to hair recovery. Since 2017, we’ve provided top-quality, medical-grade laser caps with a solid 2-year warranty. With our 7-month growth guarantee, you can trust that we’re as invested in your hair journey as you are.

Our exceptional customer service is always ready to support your journey; real people who genuinely care, ready to guide, support, and celebrate your progress with you.

Yes! We offer flexible payment options through Affirm, Afterpay, and PayPal Pay Later, providing easy monthly installments or delayed full payments to suit your financial situation.

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

Just pick what works for you at checkout!

Yes! Kiierr laser caps are completely safe and FDA-cleared for hair growth. Unlike harsh chemicals or invasive procedures, our caps use low-level laser therapy (LLLT), a clinically proven technology that gently stimulates your hair follicles without pain, irritation, or side effects. LLLT has been backed by decades of research and is trusted by doctors and hair restoration experts. You can use your cap confidently, knowing it’s a safe, non-invasive way to give your hair the boost it needs.

Will laser therapy work for my type of hair loss?

Absolutely! The great thing about Low-Level Light Therapy (LLLT) is its versatility! Whether you are male or female, 18 or 88, from pattern baldness to hair thinning due to stress or medical conditions like including alopecia areata, hormonal imbalances, telogen effluvium and so much more.

Users of all hair textures and skin tones have seen incredible results, regardless of age. Start your journey to thicker, healthier hair today and see why so many trust Kiierr for their hair growth needs!

We offer 5 laser cap options: 148 Pro, 272 Premier, 272 MD Elite, 302 MD Ultra Flex, and the new 312 MD Dual Flex. The 148 Pro is great for early hair loss or tighter budgets, offering slower but steady results. The 272 Premier is our bestseller, balancing power and value for faster regrowth. For larger heads or wider coverage, go with the 272 MD Elite. The 302 MD Ultra Flex adds a flexible fit and faster results, perfect for more advanced hair loss. 

Want the most advanced option available? The 312 MD Dual Flex offers dual wavelengths, deeper penetration, and full scalp coverage in just 6 minutes a day. 

Results vary, but most users see noticeable improvements within 6-12 weeks. We’re so confident in our product that we offer a 7-month growth guarantee—if you don’t see results, you can return the cap!

Laser therapy is a safe, non-invasive, and natural way to treat hair loss before considering more drastic measures like medications or surgery.

Choosing Kiierr is like joining a family & community committed to hair recovery. Since 2017, we’ve provided top-quality, medical-grade laser caps with a solid 2-year warranty. With our 7-month growth guarantee, you can trust that we’re as invested in your hair journey as you are.

Our exceptional customer service is always ready to support your journey; real people who genuinely care, ready to guide, support, and celebrate your progress with you.

Yes! We offer flexible payment options through Affirm, Afterpay, and PayPal Pay Later, providing easy monthly installments or delayed full payments to suit your financial situation.

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

Just pick what works for you at checkout!

Yes! Kiierr laser caps are completely safe and FDA-cleared for hair growth. Unlike harsh chemicals or invasive procedures, our caps use low-level laser therapy (LLLT), a clinically proven technology that gently stimulates your hair follicles without pain, irritation, or side effects. LLLT has been backed by decades of research and is trusted by doctors and hair restoration experts. You can use your cap confidently, knowing it’s a safe, non-invasive way to give your hair the boost it needs.

312 MD DualWave Laser Cap