Treatments of a phthalocyanine-based green ink for tattoo removal purposes: generation of toxic fragments and potentially harmful morphologies.

Treatments of a phthalocyanine-based green ink for tattoo removal purposes: generation of toxic fragments and potentially harmful morphologies.
Arch Toxicol. 2020 May 29;:
Authors: Bauer EM, Scibetta EV, Cecchetti D, Piccirillo S, Antonaroli S, Sennato S, Cerasa M, Tagliatesta P, Carbone M
Abstract
Since tattoos became overwhelmingly fashionable worldwide, the demand for removal has proportionally increased, Nd:YAG Q-switch laser being the most commonly used tool for the purpose. In this framework we investigated the composition and products of laser treatment of green tattoo ink, the Green Concentrate from Eternal. The ink characterization has been carried out by IR, UV-Vis, EDX spectroscopies, and SEM imaging. It revealed the presence of the pigment PG7, rather than PG36 as reported on the bottle label, along with non-fully halogenated analogues. The morphology is an extended sheath with embedded grains. Subsequent laser treatments were performed on both dried and extracted inks, dispersed either in water or in propan-2-ol, chosen for their different polarities, as it is the case in the skin layers. The products were analyzed by gas chromatography-mass spectrometry, UV-Vis spectroscopy, SEM imaging, and dynamic light scattering. The outcome is a complex fragmentation pattern that depends both on the solvent and on the initial aggregation state. The fragment compounds are toxic at various degrees according to the Classification Labe...

Source: Archives of Toxicology - May 28, 2020 Category: Toxicology Authors: Bauer EM, Scibetta EV, Cecchetti D, Piccirillo S, Antonaroli S, Sennato S, Cerasa M, Tagliatesta P, Carbone M Tags: Arch Toxicol Source Type: research