The length of time is based on a number of factors: size, pigment color, and age are a few things we consider. Amateur tattoos usually require fewer sessions, while exotic inks require more time. It depends on the tattoo itself. 6 to 8 weeks is usually required for your body to clear the ink particles between treatments. Large tattoos can be removed in sections and at regular intervals. Removing tattoos can be a lengthy process. Beware of "fast tattoo removal" promises. Tattoo removal done incorrectly can cause scarring or a bad reaction from your body's immune system.