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.
Like all other skincare treatments, laser procedure also has potential risks, and these may include: 1  Swelling, itchiness, and/or redness. After the procedure, your skin may feel itchy, red, and swollen. â 2 Burning sensation. Depending on the type of laser treatment used, burning sensation is also another side effect. â 3 Skin infections.