Germany became a modern, unified nation under the leadership of the âIron Chancellorâ Otto von Bismarck (1815-1898), who between 1862 and 1890 effectively ruled first Prussia and then all of Germany.
Laser effects on the skin. Thermal (burn) injury is the most common cause of laser induced skin damage. Thermal damage is generally associated with lasers operating at exposure times greater than 10 microseconds and in the wavelength region from the near ultraviolet to the far infrared.
While the procedure involved in the laser treatment is usually risk-free, there might be some side effects of laser hair removal to consider. 1  The use of a laser to remove unwanted hair involves a lot of heat to burn the hair. 2  The laser may cause hyperpigmentation and hypopigmentation.