IPL of light is a wide spectrum of intense pulsed light, which contains pigment absorption spectra can be, when the pigment cells of these lines in the absorption of light energy, it will produce a light effect pyrolysis, pyrolysis of pigment cells are the body's immune system will be excreted metabolites, which is a species of slower but more thorough way; there is another faster way, when the lesion site a strong dose absorbed photon energy, the pigment will produce some degree of tissue heat coagulation, a junction in the epidermis layer is very thin crust, scab off the skin can also dilute the stain. However, the laser light energy is high, so some very stubborn pigmentation spots treatment, photorejuvenation may be some not, and then still need to cope with the use of laser treatment.
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