Principle of electromagnetic wave skin care and its application in medical aesthetics

　　Common skin care and beauty instruments on the market are divided into three categories: radio frequency, photorejuvenation, and micro-current. Their essential differences can be understood as different wavelengths.

　　1. Radio frequency

　　Among the electromagnetic waves used in skin care, radio frequency is the highest frequency category.

　　Radio frequency is a type of electromagnetic wave, and its frequency range is 300kHz~300MHz. The applications of radio frequency in medical aesthetics include deep blue radio frequency, heat pull and heat magi, all of which can reach a frequency of 40.68MHz. The dark blue radio frequency, heat pull and heat magi have different effects and prices because they emit different amounts of electromagnetic waves each time they are used.

　　Radio frequency can penetrate the skin into the collagen layer, directly heating the collagen, so that the collagen reaches more than 50 degrees, so that the collagen shrinks and regenerates, the highest can reach more than 70 degrees.

　　When the level of action is shallow, it can stimulate the regeneration of collagen to achieve the purpose of skin care and wrinkle removal; the deeper the level of action can reach the SMAS fascia layer, which can play a lifting effect; the deepest level of action can heat the fat layer, and then add Auxiliary measures are quickly cooled and frozen, and then metabolized to achieve weight loss.

　　2. Photorejuvenation

　　The medical cosmetology industry usually refers to the wavelengths in the range of 500nm~1200nm as photorejuvenation, such as OPT, DPL, M22, Q-switching, dot matrix lasers, etc., are the names of various devices.

　　The wavelength is long, the frequency is low, and the level of action is shallow; the wavelength is short, the frequency is high, and the level of action is deep. Photons have a destructive effect on the skin, and the level of action is not as deep as possible. It depends on the level of the skin problem that needs to be solved to determine which wavelength of photons to use.

　　Long-wavelength photons act on the superficial skin. This type of medical beauty usually has a large single treatment energy, and it can be used for some more aggressive exfoliative treatments, or you can choose to use a lower energy and non-destructive exfoliative treatment; the short-wavelength action layer is deeper, considering the safety, this kind of single treatment often has a relatively small energy, most of which do not break the skin, do not peel off, or peel off slightly in the later recovery.

　　Fractional laser: wavelength 1060nm, 1550nm, 2940nm, can reduce pores and remove acne marks

　　Q-switching: The wavelengths are all 1064nm, 785nm, 532nm, which can remove acne marks and spots. The difference between Q-switched picosecond and super picosecond is that the frequency and energy of the emitted electromagnetic waves are different, and the wavelength is the same.

　　Red and blue light: blue light has a wavelength of 415nm and red light has a wavelength of 650nm, which can sterilize, reduce inflammation, control oil and remove acne, and red light is also used to treat hair loss

　　DPL: Wavelength 500nm~600nm, 550nm~650nm, relatively short wavelength, can penetrate deep skin, but usually uses less energy, are non-exfoliation, the main function is to stimulate and accelerate the deep metabolism, so that the melanin is slowly metabolized, and the energy is large. There may also be scabs at times.

　　3. Micro current class

　　Microcurrent is not very much an electromagnetic wave, but I will also talk about it here. The principle of micro-current action is mainly to achieve the purpose of tightening the skin by simulating the passive contraction of the muscles by bioelectricity. The earliest invention was used to treat facial paralysis. Now it is often used in beauty salons, physical therapy and health care institutions for body massage. During the investigation, it was found that the micro-current can reach the fascia layer of the skin only when the micro current reaches 2500mA, which is not achieved by the current compact products.

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Principle of electromagnetic wave skin care and its application in medical aesthetics

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