Take into account that there are factors for your tattoo, and your skin, that will determine how many treatments needed to remove your tattoo. Every one person, and every one tattoo is unique. All depending on these factors, anywhere from 5-15 treatments could be needed.
Some of these factors include: Amateur tattoos remove easier as they are in shallower depths of the skin. Black, red and blue colored ink are typically the easier colors to remove (ink also depends on the chemicals and components in the make up of it) whereas light blues, and greens can be more stubborn to treat and require additional treatments. Placement of the tattoo is directly related to number of treatments as well, the closer to the heart the tattoo is, the easier it will be to treat as the body does not have to work as hard to metabolize the ink, the farther away, the more likely it remains that additional treatments could be needed.