A small black tattoo on the skin reached progress after 5 sessions over 10 months.

Before (session 0) and after (session 5) at treatment.
The tattoo
A small black tattoo on the skin, more than 10 years old when treatment began.
Older ink benefits from years of natural immune-driven fading: macrophages have been working on the particles throughout the tattoo's life, reducing effective density before treatment begins.
Timeline
5 sessions over 10 months.
The laser
The Enlighten is a picosecond platform.
For black ink, it operates at 1064 nm with a pulse duration of 660 ps, 750 ps & 2 ns.