Principle: laser capable of producing an instant energy with high-intensity visible light, different wavelengths of laser will be a different color skin or pigment to absorb, such as freckles easily absorb green light. Various wavelengths of laser energy function is also different, currently used to treat skin problems of many kinds of laser have 7,8. Often heard as Ruby laser is the use of laser theory, in order to ruby for the media, mainly black and brown pigment, stain, light and pigment combination to be broken down, when the pigment gradually absorbed by the body color spot color will follow fade.
Efficacy: laser therapy targeted, freckle obvious, immediate side effects is very small, but easy to leave behind traces of a few days after the need to pay attention to the maintenance and sunscreen.
Scope of application: apply to face the more obvious spots, smaller patients, especially for natural plaque have radical effects.
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