The laser is a medical device that emits light of a specific wavelength and acts directly on its target, ie it destroys the hair follicle and the surrounding cells that make up the hair. Thus, a long-term depilation is effected. Lasers are significantly more powerful than photoepilation devices, IPL devices (intense pulsed light), therefore more efficient results can be achieved with lasers. Because lasers only emit light of a specific wavelength, they are designed to remove a specific "skin problem," such as hair removal. Devices that emit intense pulsed light (IPL) emit a beam of rays and therefore do not act directly on their target - the hair and the melanin in the hair do not absorb the light as well. Due to the low power of the photoepilation device, the hair follicle is not destroyed. There is also a greater risk of side effects due to the broader spectrum of radiation from IPL devices.