A picosecond‐domain laser with a 785nm wavelength has a special infinity for purple, blue and green tattoo inks, according to a recent study published in Lasers in Surgery and Medicine (September 2018). Authors Eric Bernstein, MD, et al, treated 22 tattoos from 15 subjects (skin types II-IV). They administered a total of four treatments using only the 785nm picosecond wavelength (2mm to 4mm beam diameter and fluences ranging from 1.1 to 3.1 J/cm2). They assessed outcomes using blinded review of digital, cross‐polarized photographs taken approximately eight weeks following the last treatment. Results were rated on an 11‐point clearance scale.
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