Recently, Hare McCoppin and colleagues reviewed the literature on laser treatment for facial telangiectasias. Laser treatment is very effective for facial telangiectasias, sometimes even after just one treatment session [2,6]. The pulsed dye laser (PDL) is widely used and regarded as safe and effective, with low incidence of pigment changes and scarring. After treatment, purpura may occur as a result of vessel rupture due to microvaporization of erythrocytes [2]. Purpura may last more than 7 days and decrease treatment acceptance.

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de Vries, K, van den Bos, R.R, & Neumann, M. (2017). Laser and veins. In Cosmetic Medicine and Surgery (pp. 493–500). doi:10.1201/9781315382364