What is photomodulation?

LED photomodulation or LED photobiomodulation, also called LED phototherapy or LED therapy is a scientific method that allows the use of specific wavelengths of the light spectrum for therapeutic purposes and thus stimulates the metabolic activity of cells all in 100 % natural way!

The penetration of the light rays emitted by the LEDs in the tissues depends on their wavelength that is to say their color. The effects are scientifically studied and directly dependent on the wavelength used. Red “visible” is the color that penetrates the deepest in the skin. It passes through the epidermis to get to the fibroblasts in the dermis. The red light radiation near infrared, almost invisible, penetrates even more deeply, through the epidermis to the dermis deep enough to reach the muscle cells. The LEDs light penetration varies with the color of the light, and therefore its wavelength (expressed in nanometers). For each problem there is a specific treatment determined by the wavelength of the LEDs.

“Man discovers in controlled light a response to relieve, to care, to beautify and heal. “May the light heal, Dr. Luc Benichou (JCLattès)

When a cell is touched by a wave of light, it will enter into “resonance” and the agitation caused by the absorption of light energy will cause chemical and physical changes that will stimulate the activity of the cell. The activation of cytochrome C oxidase (photosensitive enzyme essential to the life of all cells) within the mitochondria (the lungs of each cell) has the immediate effect of accelerating the production of energy (ATP) of the cell, and then at medium terms, stimulates many vital syntheses within the cell. The light acts at the heart of the cell to wake its activity; it is as if the light was teaching the cell to relearn how to breathe. This is what is called “photomodulation” (the modulation of the cell by the light).

Colors and light frequencies.

BLUE LIGHT (415nm)

It attacks directly and effectively the bacteria (P. acnes) that cause acne, and does so without any side effects. The light diffuses enough energy to induce antibacterial and anti-inflammatory responses and to accelerate the rate of cell regeneration to allow better healing. “Say goodbye to acne and its memories!”

RED LIGHT (660nm) 

Its stimulating action will wake fibroblasts (dermal cells) and increase the production of collagen and elastin. From the age of 25, the production of collagen, elastin and hyaluronic acid begins to decrease. We also notice increased matrix metalloproteinase (MMP) with skin aging.

Consequences of the slowdown in the production of collagen and its alterations, the skin retains less water becomes less flexible, thins and wrinkles. It has been proven in several studies that exposure to red light stimulates the fibroblasts to secrete more collagen, elastin and hyaluronic acid while reducing the matrix metalloproteinase (MMP).

RED LIGHT near IR (850nm) 

Its stimulating action penetrates the epidermis and goes to the depths of the dermis to reach the muscle cells. Stimulated blood circulation leads to increased oxygenation of the cells and release of antioxidant enzymes that reduce inflammation and stimulates the immune system for relief of muscle and joint pain.


Photomodulation in the medias

Link to an article on

Slide background

Link to an article published by Michael R. Hamblin

Slide background

Scientific articles

Scientific article published by the team of Dr Robert A. Weiss


“Patients who received LED photorejuvenation alone without concomitant treatment reported that they observed a softening of skin texture and a reduction in roughness and fine lines that ranged from a significant reduction to sometimes subtle changes. Improvement was noted by 90% of patients, with only 10% reporting themselves as nonresponders.”