These days, using lasers is the most common process in tattoo removal. The laser works by attacking the ink with pulses of very high concentrated light which in turn breaks the ink into small minuscule fragments.  These will later be cleared away by the body’s immune system. Laser tattoo removal is not done with just one treatment. It is recommended to have the treatment numerous times, as it will allow the laser to penetrate and destroy the ink deeper.  The bad news about this is that many treatments can damage the skin.  Some of the issues that can arise are excruciating blisters and scabs.  If bad enough these scabs or blisters that can lead to scarring. However, these days, and with more technology in place the scaring has become quite minimal and many people do not have any.
Another thing to consider if you are thinking of having Laser tattoo removal is that it can run into thousands of dollars, depending on the tattoo and the size of it.   Typically the larger the tattoo, the higher the removal will cost.
Even with the latest technology there are no guarantees your tattoo removal by laser treatment will even be successful.