Yes, mention it to the specialist during your consultation?

Yes, mention it to the specialist during your consultation?

Protection and caring for the skin (especially from UV light) immediately after treatment is extremely important, whilst the skin repairs itself in the area where the tattoo has been removed. A minimum of SPF 30 is recommended.

The tattoo was designed to be permanent and all methods of removal have side effects, most removal techniques  are not with discomfort or even pain.

Laser tattoo removal does not break the skin, so blistering or scarring is not typical. Occasionally the skin pigment will darken, but then fade after a few months.

Yes, if the ink is one colour then the light can be matched specifically to that colour. 
The ink is really important, some inks are a mixture of different colours to make a dark blue. This will make it harder to remove.
The age of the tattoo is also important.
The energy from 'the light used' chosen to be specific to the colour or colours of the tattoo and these energy specific wavelengths are absorbed the coloured ink of the tattoo, causing heat and the degeneration of the ink, which breaks down and is then disposed of by the normal body processes.
This is why the clinic offer a free first consultation, and why you can upload a photo of your tattoo for a free evaluation.
If you have dark skin, there are also other consideration in relation to the colour or colours of used in the tattoo

Yes, tattoos on skin that has a thicker layer of fat underneath are easier to remove:. typically the chest, arms and legs.

There is no easy answer to this question, often newer tattoos have more defined ink colours and maybe easier to remove.
Sometimes the older tattoos have ink that has started to degrade and they are sometimes easier to remove.
Previously 1 in 6 people with a tattoo had it removed, the current figure is much higher.
Sometimes people regret having a tattoo soon after having it, it is suggested that any new tattoo be allowed to become 'well healed' - a term that relates to the skin - before having it removed.
If having a tattoo ask for an ink that can be more easily removed by modern 'light' / laser techniques.