A novel titanium sapphire picosecond-domain laser safely and effectively removes purple, blue, and green tattoo inks

Lasers in Surgery and Medicine
Eric F BernsteinKevin T Schomacker

Abstract

Green, blue, and purple tattoo pigments are often the colors most resistant to laser removal. Recently, the first ever production picosecond-domain laser with a 785 nm wavelength was developed to improve the rate of clearance of green, blue, and purple tattoo inks. Twenty-two tattoos from 15 subjects with skin phototypes II-IV were enrolled in the study. A total of four treatments were administered using a single 785 nm picosecond-domain laser wavelength. Blinded assessment of digital, cross-polarized photographs taken approximately 8 weeks following the last treatment was performed using an 11-point clearance scale. Fourteen subjects with 21 tattoos completed all study visits. The 21 tattoos contained the following pigments: black (n = 15), green (n = 13), blue (n = 8), yellow (n = 5), purple (n = 4), and red (n = 3). Treatments were performed with a 2-4-mm beam diameter and fluences ranging from 1.1 to 3.1 J/cm2 . Blinded assessment of photographs found 85%, 81%, 74%, 61%, 11%, and 5% clearance from baseline photos for purple, blue, green, black, red, and yellow pigments, respectively. Treatments were well tolerated with typical erythema, edema and one case of pinpoint bleeding. No scarring was noted. This first study of a ne...Continue Reading

References

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Citations

Nov 20, 2018·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·W Bäumler, K T Weiß
Apr 14, 2020·Lasers in Surgery and Medicine·Douglas C WuHenry H L Chan
Mar 27, 2020·Lasers in Surgery and Medicine·Eric F BernsteinAmit Paranjape
May 16, 2020·Lasers in Surgery and Medicine·Sang Ju LeeSeong Jun Seo
Sep 21, 2021·Journal of the European Academy of Dermatology and Venereology : JEADV·W BäumlerK T Weiß

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