Long-pulsed 755-nm alexandrite laser equipped with a sapphire handpiece: unwanted hair removal in darker phototypes

Laser treatments are the most effective and popular method to remove unwanted hair. Among various types of lasers, alexandrite devices have shown high efficacy with lower risk of side effects [1]. The use of alexandrite laser equipped with a sapphire handpiece for the treatment of hypertrichosis in subjects with Fitzpatrick skin types I to IV has shown significant hair reduction with low side effects [2]. Nistico et al. showed the use of sapphire handpiece enables the administration of a gradually increasing energy dose that leads to hair bulb damage and hence hair removal [2]. There are a few reports on the use of this method in subjects with darker skin phototypes (IV to VI). The aim of this study was to evaluate the efficacy and side effects of the alexandrite laser equipped with sapphire handpiece in subjects with Fitzpatrick skin types IV to VI.

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