03 June 2025 · By Charlotte Castiglione

Best hair growth devices: LED, laser & microneedling therapy

If you’ve started to notice your hair thinning, it may be time to explore hair regrowth technology for real results.

While methods like laser therapy and microneedling are used to help support regrowth, LED red light therapy helmets are quickly becoming the go-to for convenient and effective at-home use.

Let’s explore how these science-backed technologies work and why LED therapy for hair growth could be the easiest way to kickstart your growth journey. 

LED therapy for hair regrowth

Also known as Low-Level Light Therapy (LLLT), LED light therapy uses targeted wavelengths of light to target to the scalp and energise hair follicles. It’s a non-invasive, FDA-cleared option, known to encourage growth and boost hair density.

How does it work?

Red light penetrates the scalp to:

  • Energise hair follicles, helping to extend the growth phase of the hair cycle, causing strands to grow longer and thicker.
  • Support scalp condition, promoting the conditions needed for healthy hair growth.

Why choose LED for hair growth

  • Clinically proven: Shown in studies to significantly increase hair density.
  • Convenient: Sessions are hands-free and painless, lasting just 10 minutes.
  • Comprehensive: Can cover your entire scalp for full, optimal coverage.
  • Supports overall hair health: Strengthens the scalp for healthy hair growth.

Our recommended plan:

Independently tested, the CurrentBody Skin LED Hair Growth Device was shown to increase hair growth rate 123% in only 12 weeks.

FDA-cleared and powered by a spectrum of red light wavelengths (620-640nm), this LED hair growth helmet is designed to support scalp health and extend the growth phase for fuller, thicker-looking hair growth.

For best results:

  • Complete daily, 10-minute sessions for 16 weeks.
  • Expect visible improvements within 6–8 weeks (depending on your hair cycle).
  • Enjoy hands-free use while connected to Bluetooth for uninterrupted listening.


Laser therapy for hair regrowth

Laser therapy, often called Low-Level Laser Therapy (LLLT), uses concentrated laser beams to penetrate scalp. Unlike LED light, which reaches the whole scalp, laser devices target hair follicles at their root with a more precise beam, targeting smaller areas at a time.

How does laser therapy work?

LLLT works through a process called photobiomodulation, which uses light energy to boost hair follicles, helping them to function better. 

The laser light energises dormant follicles, kickstarting the regrowth process. Over time, this not only activates growth but also strengthens and thickens existing hair for a fuller, healthier look.

Who is it for?

Laser therapy is clinically proven to increase hair density and reduce thinning, making it an ideal option for those seeking a targeted, science-backed solution to restore hair.

Why choose laser therapy?

  • Clinically supported: Proven to enhance density and reduce thinning.
  • Deeper penetration: Focuses on follicle roots.
  • Targeted use: Good for smaller thinning areas.

Laser therapy can be highly effective, but treatments may require more frequent or longer sessions. 

Medical guidance is recommended if you have scalp conditions or health concerns.

Not sure what the difference is between laser and LED light therapy? We’ve explained it in detail in our guide, red LED light or laser therapy for hair loss.


Microneedling for hair growth

Microneedling involves using a dermaroller or microneedling pen with tiny needles to create micro-punctures on the scalp, causing a slight tingling sensation during the session. 

These tiny, controlled injuries trigger the body’s natural repair process and enhance the absorption of topical products, supporting healthy hair growth.

Why try microneedling?

  • Affordable: Can be done at home or professionally.
  • Effective: Enhances the impact of topical regrowth solutions.
  • Science-backed: Studies show it improves density and thickness.

What to expect

Microneedling is best used as a supportive method alongside LED therapy, rather than a standalone option. It requires consistency (1–2 times per week), device sanitisation, and may cause mild scalp redness.

Check with your doctor if you have bleeding disorders, scalp infections or other health concerns before using microneedling devices.

 

Comparison: LED vs Laser vs Microneedling

Device Type

Method

Benefits

Considerations

LED Light Therapy



Red LED light (640nm) energise follicles and boosts scalp health.

Covers entire scalp, safe for home use.

Requires consistent use for best results.

Laser Therapy

Concentrated low-level laser beams energise follicles and boost scalp health.

Able to penetrate deeper than LED.

More expensive and the smaller coverage area means sessions may be longer.

Microneedling

Tiny punctures boost scalp repair and product absorption.

Supports scalp health and increases topical absorption.

Requires careful technique and isn’t suitable for all scalp conditions.

 

Before starting any hair regrowth option, it’s best to consult with your doctor or dermatologist, especially if you have underlying scalp conditions, are taking medications, or are unsure about which technology is right for you.

Choosing the best hair growth device for you goals

Now that you’ve seen how LED, laser, and microneedling compare, the next step is choosing the right hair growth device for your goals.

  • LED light therapy helmets (often called the best LLLT devices) are ideal if you want full scalp coverage and hands-free use.
  • Laser hair growth devices can work well for targeted areas of thinning, but usually take more time and investment.
  • Microneedling tools are best if you’re already using serums and want to boost their effectiveness.

Start your hair regrowth journey

Hair thinning can be frustrating and affect your confidence, but the good news is that there are science-backed options available from the comfort of home.

If you’re ready to take control of your hair health, the CurrentBody Skin LED Hair Growth Helmet is a powerful first step in your journey towards fuller, healthier-looking hair.

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Charlotte Castiglione Beauty Writer

Charlotte is a content specialist with a background in beauty, fashion, and eCommerce, specialising in beauty tech. She combines data with creative storytelling to create content that helps readers understand and get the most from at-home beauty technology.


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