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POSTED: 27 Sep 2024

Low-Level Laser Therapy (LLLT) for Hair Regrowth, Here’s What You Need to Know

There is growing demand for non-invasive, safe and . One treatment that has drawn a lot of attention recently is low-level laser (LLLT) for hair growth. It to stimulate the follicles and encourage regrowth in people with thinning hair. It even has a role as an adjunct in care. However, how is it really, and do LLLT hair stand up to the hype? This digs into the science behind low-level laser for hair and how to use it. It also looks at how well LLLT actually works and whether there is a case for it after a .

What is Low-Level Laser Therapy (LLLT) for Hair?

Low-level laser also goes by red light therapy or cold laser therapy. It uses low-level lasers or diodes (LEDs) to stimulate the . It treats both and hair loss. This uses a specific wavelength of light to reach the scalp and lift cellular in the follicles. That in turn thicker and healthier hair. Unlike more treatments, LLLT does not burn or damage the skin, so it is a safe and pain-free option. range from systems that a practitioner applies to at-home caps.

Does Low-Level Laser Therapy Really Boost Hair Growth?

To see how LLLT might help, it helps to start with the basic of hair loss and regeneration. The follicles cycle : anagen (growth), catagen (transition) and telogen (resting). Thinning and often follow a shortening of the anagen phase and longer resting or dormant phases. This is particularly true of , which stems from both genetics and of the .

LLLT works by nudging the follicles to spend more time in the . The wavelength these devices emit, , improves blood flow around the follicle, which lifts the of nutrients and oxygen. The process also helps reduce follicular inflammation and , both of which feed into hair loss. The net effect is a more supportive environment that encourages the follicles to thicker, strands.

There is some scientific for this. support the of low-level laser for hair . shows it can hair density and in people with androgenetic alopecia. On that basis, LLLT can improve hair count and thickness in both men and women. That said, many of the human are small and lower-quality, so it is worth approaching the claims with some caution. This does not strip the treatment of value. It does mean the field needs more randomised trials before the picture is settled.

Is There a Case for LLLT After a Hair Transplant?

One of the more uses of laser is in post-transplant care. After a hair transplant, often use non-invasive treatments that can healing and graft survival. Hair specialists recommend LLLT as part of an regime. This is the case for people who want to get the most from their results. The is that LLLT after a transplant may improve graft anchoring and, in turn, the overall survival of the transplanted hairs. Some do LLLT can speed recovery by improving blood flow to the grafts and reducing inflammation. However, these trials are small in number and the fall short of statistical significance.

What are the Different LLLT Hair Devices?

It helps to separate professional from at-home LLLT. Both use devices that emit low-level lasers onto the scalp, and the main lies in their power and . The used in clinics tend to be more powerful, so they offer deeper scalp and more targeted stimulation. At-home devices, by contrast, trade intensity for convenience and lower cost. This means they need more time, regular use and to deliver.

LLLT hair devices come in several forms, each designed to suit a different and preference. The most common options include the following.

the format, the success of LLLT comes down to consistent, use. Many devices are for daily or use. courses usually a set number of over a defined period, by less frequent maintenance. It is not clear whether stopping brings the hair loss back, but it is probably a therapy like other non-surgical .

How Long Does it Take to See Results from LLLT?

One of the most common about LLLT is how long results take to show. vary, but most people start to notice in hair texture, thickness and growth around the 12-week mark. For some this happens sooner and for others a little longer. It depends on the extent of the hair loss and how the treatment is. LLLT does ask for patience, since takes time. To your odds, you may want to use it other hair treatments such as , or .

LLLT is not for everyone, and its on the nature of your hair loss and your circumstances. It works best for people in the early stages of or hair loss, meaning mild to moderate alopecia. It can also help people who have had a hair and want to the and growth of the grafts. Where hair loss is advanced and the have been for a long time, the success rate tends to be lower. In that situation you may need other treatments alongside or instead of LLLT, such as or a hair transplant. Several hair loss clinics, including our own online clinic, also offer topical prescription hair growth treatments. Our cover personalised topical serums and .

What are the Risks & Side Effects?

Part of the appeal of LLLT is that it is largely safe, with few side effects and no downtime. The risk of major side effects is very low, as long as you use an appropriate device and follow the at home. The lasers in LLLT are low-energy, so they do not damage the skin or the tissue the scalp. Some people do notice mild scalp redness or a of warmth during or after treatment. These effects tend to be short-lived, though. Even so, it is always wise to follow the manufacturer’s and check with a professional before anything new.

How Do You Maximise Your Chances of Success with LLLT?

Whether you have treatment or use an at-home device, a few habits improve your odds. They mostly come down to respecting that hair loss has many overlapping causes, so a usually works best. Our top tips for getting more from LLLT include the following.

Low-level laser therapy offers a option for people struggling with thinning hair or hoping to improve their results after a transplant. So far, the evidence on LLLT hair results is encouraging. However, it is not for everybody and it does not address every type or of hair loss. The field needs more high-quality research to pin down how it is and when it helps most. Until then, you can improve your by pairing it with other hair loss and looking after your overall health.

We that hair loss is a deeply . This is why we created through our online skin clinic. Our treat hair loss with compounded treatments designed around you, using actives such as , , and where appropriate. We also treat skin concerns including , , and . Book a or submit your today. Your towards great skin and hair starts here.

This article is intended for General Health & wellbeing only and is not a substitute for advice, or . Always consult a qualified professional with any concerns about your hair or .

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SKINCARE 11 March 2024

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