Candela laser hair removal on dark skin11/30/2023 ![]() is 12 joules per squared centimeter a high enough setting to trigger permanent hair removal on Diode Laser?” This is why it is so important to choose a practice with choices as the type of laser is very important when it comes to your results. With your skin type, you are better suited for the Diode laser, 755nm Alexandrite, or similar. But we typically only treat African Americans or others with VERY coarse hair using the Yag. We usually treat patients on the Yag laser in the 50 – 80 j/cm2 range with the Sciton Profile. If you are olive skin toned, you will likely not get great results on the YAG laser. When Using YAG, What Would Be the Right Fluence (Energy) in Terms of Joules Per Cm2?” Typically we might treat someone of your skin type at a starting fluence (energy level) of 16-20 joules/cm2 and adjust from there. We have used the 755nm long-pulsed Alexandrite for 14 years, that setting seems quite low. When these endpoints are met, you obtained the proper energy to damage the hair. These include vaporization or singeing of the hair (did you see and smell it burn), peri-follicular erythema, and edema (swelling and redness around the follicle after the treatment, which typically lasts a few hours). The most important aspect of laser hair removal is to obtain the proper clinical endpoints without damage to the surrounding skin. How to set Laser Hair Removal Parameters? Hair Removal and the Alexandrite Laser ![]() This indicates the laser is working, and at or very near a therapeutic level. one way to know is if you have follicular edema, swelling around the base of the hair after a treatment and if you feel a pinch or a sensation like hair being plucked. People respond at different fluence levels, depending on hair color, size, density, etc. This is because – at any one point in time – each of your (hundreds of thousands of) hair follicles will be in one of several stages of the hair growth “cycle.” (Appropriate) lasers only treat hair follicles that happen to be in their “active” growth stage of the cycle at the time of treatment. As with any laser used for hair removal, you will need multiple treatments to achieve an optimal result. On the PrettyLasrs device to which you are referring, a fluence of 12J/cm2 is certainly high enough to yield permanent hair removal. ![]()
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