Low Level Laser Therapy For Hair Growth: Shedding Light On An Effective Solution

Low level laser therapy for hair growth

Welcome to our comprehensive guide on low level laser therapy, a cutting-edge technique that has been gaining popularity as an effective solution for stimulating hair growth.

Whether you have straight, wavy, or curly hair, this article is tailored for women of all hair types who are eager to explore ways to enhance their hair growth journey.

In this conversational piece, we'll delve into the ins and outs of low level laser therapy, discussing its importance, working mechanism, benefits, potential downsides, alternatives, and addressing frequently asked questions.

Let's embark on this enlightening journey to understand how low level laser therapy can transform your hair care routine.

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What Is Low Level Laser Therapy?

Low level laser therapy (LLLT), also known as red light therapy or cold laser therapy, is a non-invasive procedure that uses low-level lasers or light-emitting diodes (LEDs) to stimulate hair follicles.

This gentle light energy penetrates the scalp, promoting cellular activity and increasing blood circulation in the targeted areas.

The result?

Revitalized hair follicles that can lead to improved hair growth.

Woman doing LLLT to promote hair growth

Why Is Low Level Laser Therapy Important?

Hair loss is a common concern for many women, and low level laser therapy has emerged as an essential tool in the battle against thinning hair.

By targeting the root cause of hair loss—dormant hair follicles—LLLT helps to kickstart the regrowth process, leading to fuller, healthier-looking locks.

How Does Low Level Laser Therapy Work?

The science behind LLLT is fascinating yet straightforward.

The specialized light energy is absorbed by cells, triggering a series of biochemical reactions.

This stimulates the production of adenosine triphosphate (ATP), a molecule that fuels cellular processes.

With increased ATP production, cells can better function, leading to enhanced hair follicle activity and, ultimately, hair growth.1

Doing LLLT on the face

What Are The Benefits Of Low Level Laser Therapy?


Unlike surgical hair restoration methods, LLLT is a non-invasive option, meaning no incisions or needles are involved.


LLLT sessions are painless and comfortable, requiring no downtime.

You can easily incorporate them into your routine.

Suitable for Various Hair Types

Regardless of your hair type—straight, wavy, curly—LLLT can be effective for stimulating growth.

No Side Effects

LLLT is considered safe, with no reported major side effects.

It's a gentle approach to hair restoration.

Improved Hair Texture

Alongside promoting growth, LLLT may lead to shinier, more manageable hair.

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Are There Any Downsides To Low Level Laser Therapy?

While LLLT boasts numerous benefits, it's important to consider potential drawbacks:

  • Results may vary: Individual responses to LLLT can differ, and some individuals may experience more noticeable results than others.

  • Patience is key: LLLT is not a quick fix; consistent sessions over time are necessary for optimal results.

What Are The Alternatives To Low Level Laser Therapy?

If LLLT doesn't align with your preferences, several alternatives can be explored:

Topical Treatments

Over-the-counter or prescription topical solutions that promote hair growth.

Oral Supplements

Nutritional supplements designed to support hair health and growth.

Platelet-Rich Plasma (PRP) Therapy 

A procedure that involves injecting a concentration of your own platelets into the scalp to stimulate hair follicles.

Hair Transplant Surgery

Surgical procedures that involve transplanting hair follicles from one area of the scalp to another.

How Effective Is Low-Level Laser Therapy?

LLLT has shown promising results in enhancing hair growth for many individuals.

However, its effectiveness can vary based on factors such as the severity of hair loss, individual response, and adherence to treatment protocols.

  • Clinical studies have demonstrated positive outcomes in terms of hair density and thickness.

  • Some users report visible improvements in hair texture and overall volume after consistent LLLT sessions.

Does Low-Level Laser Therapy Regrow Hair?

Yes, LLLT has the potential to facilitate hair regrowth by:

Stimulating Dormant Follicles

LLLT's gentle energy can awaken dormant hair follicles, encouraging them to re-enter the growth phase.

Enhancing Cellular Activity

The increased production of ATP due to LLLT supports healthier follicle function, leading to regrowth.

What Is the Purpose of Low-Level Laser Therapy?

The primary purpose of LLLT is to:

  • Revitalize Hair Follicles: LLLT targets the root cause of hair loss by improving the health and activity of hair follicles.

  • Promote Blood Circulation: By increasing blood flow to the scalp, LLLT ensures that hair follicles receive essential nutrients and oxygen.2

Does Low-Level Laser Therapy Work for Hair Growth?

Yes, LLLT has gained recognition as a viable option for hair growth due to its ability to:

  • Boost Cell Metabolism: LLLT's light energy enhances cell metabolism within hair follicles, leading to improved growth conditions.

  • Counteract Thinning: LLLT can help mitigate the effects of thinning hair by promoting the growth of thicker, healthier strands.

How Long Does Low-Level Laser Therapy Last?

The duration of the effects of LLLT can vary among individuals:

  • Maintenance Is Key: To sustain results, ongoing LLLT sessions are recommended.

  • Individual Response: Some individuals may experience prolonged benefits, while others might require more frequent sessions.

What Is The History Of Low Level Laser Therapy?

  • Early Discoveries: The concept of using light for therapeutic purposes dates back to ancient civilizations, but it was in the 1960s that the potential of low level lasers was first explored.

  • Hair Growth Connection: Researchers in the 1980s and 1990s began to uncover the link between low level laser therapy and its impact on hair follicles, setting the stage for its application in hair growth solutions.

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What Is The Current Environment Of Low Level Laser Therapy?

  • Scientific Validation: Over the years, numerous studies have validated the efficacy of low level laser therapy in promoting hair growth.

  • Diverse Applications: Beyond hair growth, LLLT is also used in various medical fields, including wound healing and pain management.

  • Home Use Devices: Advancements in technology have led to the development of user-friendly LLLT devices that individuals can use in the comfort of their homes.

What Is The Future Of Low Level Laser Therapy?

  • Ongoing Research: Continuous research is uncovering new insights into the mechanisms behind LLLT's effects on hair follicles and its potential applications.3

  • Combination Therapies: The future might see the integration of LLLT with other innovative hair growth treatments for synergistic results.

  • Personalization: Tailoring LLLT protocols to individual needs and genetic factors could enhance its effectiveness.

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Final Thoughts On Low Level Laser Therapy

In the quest for vibrant and resilient hair, the journey often leads us to explore innovative solutions.

Low level laser therapy has emerged as a beacon of hope for individuals seeking to rejuvenate their locks and restore their hair's vitality.

By harnessing the power of gentle light energy, this technique has demonstrated its potential to awaken dormant follicles, enhance blood circulation, and pave the way for healthier, fuller hair.

From its historical roots to its present-day prominence, the evolution of low level laser therapy showcases its significance as a vital topic within the realm of hair growth solutions.

As we peer into the future, the possibilities are intriguing—ongoing research, integration with complementary therapies, and personalized approaches hold the promise of even more remarkable results.

At Fully Vital, we understand the profound impact that a healthy relationship with your locks can have on your overall well-being.

Our array of hair growth products is meticulously crafted to combat the effects of aging, giving your hair the care it deserves.

As you embark on your hair growth journey, remember that the path to radiant hair is illuminated by innovations like low level laser therapy.

Discover the potential that lies within your tresses, and let's celebrate the beauty of vibrant, revitalized hair together.

Frequently Asked Questions About Low Level Laser Therapy

Can low-level laser therapy cause overstimulation or excessive hair growth?

LLLT is designed to promote healthy hair growth without causing overstimulation or excessive hair growth in areas where it's not desired.

The energy levels used in LLLT devices are carefully calibrated to stimulate follicles without disrupting their natural cycles.

Is LLLT suitable for sensitive scalps? 

Yes, LLLT is generally well-tolerated by individuals with sensitive scalps, as it's non-abrasive and non-irritating.

How soon can I expect to see results from LLLT? 

Visible results can vary, but many individuals start noticing improvements in hair texture and thickness after a few months of consistent sessions.

Can I undergo LLLT alongside other hair treatments? 

Consult with a hair care professional before combining LLLT with other treatments to ensure compatibility and safety.

Is LLLT safe to use at home? 

There are FDA-cleared LLLT devices designed for home use.

Follow the manufacturer's instructions for proper usage.

Are the results of LLLT permanent? 

Continued maintenance sessions are usually recommended to sustain the results of LLLT over the long term.

Can low-level laser therapy be used on colored or chemically treated hair?

Yes, LLLT can be used on colored or chemically treated hair without causing harm.

Unlike some other hair treatments, LLLT's gentle light energy does not interact negatively with hair dyes or chemical treatments.

Is low-level laser therapy suitable for everyone?

LLLT is generally safe and suitable for most individuals.

However, certain medical conditions or medications may influence its effectiveness.

It's advisable to consult with a healthcare professional before starting LLLT, especially if you have underlying health concerns.

Can low-level laser therapy help with hereditary hair loss (androgenetic alopecia)?

Yes, LLLT has shown promise in treating hereditary hair loss, also known as androgenetic alopecia.

By stimulating dormant hair follicles and enhancing blood circulation to the scalp, LLLT can contribute to the management of this common condition.

What is the recommended frequency of low-level laser therapy sessions?

The frequency of LLLT sessions can vary based on the device being used and individual needs.

Typically, it's recommended to start with several sessions per week and gradually reduce the frequency as results become noticeable.

Following the manufacturer's guidelines and any recommendations from a hair care professional is essential.


  1. Farivar, S., Malekshahabi, T., & Shiari, R. (2014). Biological effects of low level laser therapy. Journal of lasers in medical sciences. 

  2. Anatomy, hair - statpearls - NCBI bookshelf. (n.d.). 

  3. Studies uncover new approaches to combat hair loss in men and women. Columbia University Irving Medical Center. (2019, June 25).