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low level laser therapy hair loss reviews


low level laser therapy is what?

low level laser therapy hair loss reviews

low level laser therapy hair loss reviews

low level laser therapy hair loss reviews

low level laser therapy hair loss reviews

low level laser therapy hair loss reviews

low level laser therapy hair loss reviews

What is low level laser therapy hair loss

Laser Therapy, also referred to as low level laser therapy hair loss (LLLT), cold laser therapy, photobiomodulation, biostimulation, and phototherapy, has been shown in thousands of peer-reviewed publications to increase cellular survival, proliferation and function. LLLT is able to stimulate and preserve hair follicles in patients with androgenetic alopecia and other hair loss disorders. LLLT has been used over the past few years in a number of laser devices (combs, caps, hairdryer-like) for treatment of genetic or acquired hair loss.

Mechanism of Action of Laser Therapy

The laser light is absorbed by mitochondria and increases cellular respiration, and induces activation of transcription factors via reactive oxygen species. The question is no longer whether light has biological effects but rather how energy from therapeutic lasers and LEDs works at the cellular and organism levels and what the optimal light parameters are for different uses of these light sources.

One important point that has been demonstrated by multiple studies in cell culture, animal models and in clinical studies is the concept of a biphasic dose response with the total delivered light energy density (fluence). The reason why the technique is termed Low-level is that there exists an optimal dose of light for any particular application, and dose lower than this optimum value, or more significantly, larger than the optimum value will have a diminished therapeutic outcome, or for high doses of light a negative outcome may result.

Delivering Methods

The methods for delivering the therapeutic light are diverse. The field is characterized by a variety of methodologies and uses of various light sources (lasers, LEDs) with different parameters (wavelength, output power, continuous-wave or pulsed operation modes, pulse parameters, polarization state etc). In 2002 MicroLight Corp received 510K FDA clearance for the ML 830-nm diode laser for treatment of carpal tunnel syndrome. There were several controlled trials reporting significant improvement in pain and some improvement in objective outcome measures. Since then several light sources have been approved as equivalent to an infra-red heating lamp for treating a wide-range of musculoskeletal disorders with no supporting clinical studies.

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What is History of low level laser therapy hair loss?

In 1903, Dr. Nils Finsen was awarded a Nobel Prize for his contribution to the treatment of diseases, especially lupus vulgaris, with concentrated light radiation . In 1960, Professor Maiman TH built the first working red ruby laser , but it was not until 1967 when Mester E et al. was able to demonstrate the phenomenon of “laser bio stimulation” . In 1999, Whelan H et al. presented his work on the medical applications of light emitting diodes (LED) for use on the NASA space station . Subsequently over 400 Phase III randomized, double-blind, placebo-controlled trials have been published, with over 4000 laboratory studies of low level laser therapy hair loss. (Pubmed.gov)

A laser is a device that generates light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. There are four main classes of lasers as defined by the International Engineering Consortium (IEC standard 60825.) These classes indicate potential danger the radiation is to the eye.

Class 1/1M – CD player
Class 2/2M – laser pointer
Class 3R/3B – low level laser therapy hair loss and CD and DVD writers
Class 4 – Surgical laser

low level laser therapy hair loss is the application of light (usually a low powered laser or LED typically power range of (10mW–500mW). Light with a wavelength in the red to near infrared region of the spectrum (660nm–905nm), is generally employed because these wavelengths have the ability to penetrate skin, and soft/hard tissues (Figure 2) and are proven in clinical trials to have a good effect on pain, inflammation and tissue repair. The power density (irradiance) is usually between 5W/cm2 and is applied to an injury or to a painful site for 30–60 seconds a few times a week for several weeks. The result is a reduction of inflammation, pain relief and accelerated tissue regeneration. In most cases the lasers/LEDs used for low level laser therapy hair loss emit a divergent beam (not focused or collimated) because collimation is lost in tissue, but as a consequence ocular risks are also diminished over distance.

How low level laser therapy  work?

How low level laser therapy hair loss Work?-There are three phases of hair growth: the anagen phase, which is the growth stage; the catagen stage, which is the transition stage where hair follicles begin to shrink; and the telogen phase, where hair follicles become dormant and shed. The stimulation from low level laser therapy hair loss helps to shift hair follicles into the anagen phase (and therefore restore hair growth), in multiple ways.

low level laser therapy hair loss uses a light that produces a specific wavelength (typically in the range of 630 to 670 nanometers) which has a unique ability to be absorbed by the molecules of the hair follicles. This type of light penetrates the scalp and stimulates the epidermal stem cells which are responsible for the regeneration of hair follicles. The increased blood flow that low level laser therapy hair loss causes helps to increase the delivery of nutrients and oxygen to the hair follicles. low level laser therapy hair loss stimulates metabolic processes necessary for hair growth and helps to prevent the build-up of DHT in the follicles.

low level laser therapy hair loss reviews

Review of Literature on Low-level Laser Therapy Benefits for Nonpharmacological Pain Control in Chronic Pain and Osteoarthritis.

Introduction • Low-level laser therapy (low level laser therapy hair loss) is a form of light therapy that triggers biochemical changes within cells. Photons are absorbed by cellular photoreceptors, triggering chemical alterations and potential biochemical benefits to the human body. low level laser therapy hair loss has been used in pain management for years and is also known as cold laser therapy, which uses low-frequency continuous laser of typically 600 to 1000 nm wavelength for pain reduction and healing stimulation. Many studies have demonstrated analgesic and anti-inflammatory effects provided by photobiomodulation in both experimental and clinical trials. Objective • The purpose of this research article was to present a summary of the possible pain management benefits of low level laser therapy hair loss. Results • In cold laser therapy, coherent light of wavelength 600 to 1000 nm is applied to an area of concern with hope for photo-stimulating the tissues in a way that promotes and accelerates healing. This is evidenced by the similarity in absorption spectra between oxidized cytochrome c oxidase and action spectra from biological responses to light. low level laser therapy hair loss, using the properties of coherent light, has been seen to produce pain relief and fibroblastic regeneration in clinical trials and laboratory experiments. low level laser therapy hair loss has also been seen to significantly reduce pain in the acute setting; it is proposed that low level laser therapy hair loss is able to reduce pain by lowering the level of biochemical markers and oxidative stress, and the formation of edema and hemorrhage. Many studies have demonstrated analgesic and anti-inflammatory effects provided by photobiomodulation in both experimental and clinical trials. Conclusion • Based on current research, the utilization of low level laser therapy hair loss for pain management and osteoarthritic conditions may be a complementary strategy used in clinical practice to provide symptom management for patients suffering from osteoarthritis and chronic pain.


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