When it comes to phototherapy, more people think of it in its wide range of applications in the medical field, such as laser treatment, weak laser treatment. Little is known about the use in the beauty field, and even if it is heard, it is poorly understood. Therefore, today Dawning Technology anatomizes the true face of phototherapy beauty.
As early as 2000, the National Aeronautics and Space Administration (NASA) found that the proper illumination of astronauts' muscles and bones by LED light sources can accelerate wound healing. Later, after research on light waves, it was found that light of different wavelengths activated the activity of cells to different degrees and accelerated metabolism. Phototherapy beauty is the use of different wavelengths of red, yellow and blue light in the visible light to improve the skin cell growth environment, thus having certain benefits to the skin.
"LED Research and Development of LED in Phototherapy" published by "Beijing Medical Bioengineering" and "LED-based multi-wavelength skin cosmetic phototherapy system" published by Laser Magazine mentioned that the specific wavelength of red light can convert light energy into cells. It can resonate in the absorption spectrum of mitochondria in human tissues, accelerate the enzymatic reaction, promote cell metabolism, activate skin activity, accelerate blood circulation, remove wrinkles and emollients from the skin, and improve immunity. NASA's medical experiments have also shown that under the red light of about 650 nm, the production of collagen is five times greater than that produced by normal human cell differentiation.
In addition, the "New Generation of Phototherapy Beauty" published by the "Shanghai Laser Society Academic Paper" also mentioned that yellow light with a wavelength of around 580 nm has the characteristics of uniform density, high strength and high purity, which can effectively enhance skin collagen cells. The activity promotes collagen synthesis, enhances collagen fibers and elastic fibers of the skin, and has a good effect on whitening skin. The light blue light around 450nm will not cause blue light damage, but also penetrate the skin to eliminate the sore pustules, reduce the number of acne and inflammatory skin lesions, promote tissue repair and improve skin texture.
This phototherapy beauty therapy belongs to physical therapy, which adjusts the biological activity of cells by setting different wavelengths, wavelength combinations, and illumination time to improve skin characteristics. In the United States, phototherapy and beauty has been widely recognized by everyone, Phoenix TV, financial channels and other reports have been reported, phototherapy beauty is the preferred beauty method for many Hollywood film and television actors.
At this stage, the main light source used in phototherapy and beauty is the mature LED light. Several LED lights are placed in the phototherapy beauty instrument to stimulate the cells through light waves to repair the skin. Although LED technology is relatively mature, the technology is still flawed in phototherapy and beauty.
LED is a point light source, LED phototherapy beauty instrument is mostly placed in a dot array, which is not suitable for uniform light in every small part of the face, and the LED light will increase with the extension of the illumination time, if there is no perfect heat dissipation optimization. Design, phototherapy beauty effects will be affected.
The OLED which can also be applied to phototherapy and beauty does not increase the temperature of the light source body with the illuminating time, and the effect of phototherapy and beauty is weakened. In addition, the most natural light OLED belongs to the surface light source. The uniform light makes the small part of the face receive light evenly. Its light and thin and soft characteristics make the process simpler and more abundant in the phototherapy beauty instrument.
In the United States, the annual compound growth rate of the optical beauty market reached 50%, and the country is still in the enlightenment stage, especially the OLED phototherapy beauty has yet to be developed. However, with the maturity of OLED technology and its continuous expansion in the field of lighting, there will be an OLED phototherapy beauty product activation market.
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