Efficacy And Safety Of Nonablative Lux1540nm Laser For Melasma

ObjectiveTo investigate the efficacy and safety of melasma treated bynonablative Lux1540nm laser.MethodsSelected42cases of melasma who treated in our hospital by usingnonablative Lux1540nm laser, the following parameters: with1540nmwavelength,15mm spot, Fitzpatrick skin type Ⅲ7～8mJ／mb, Ⅳ6～7mJ／mb energy. By continuous sliding mode in area homogeneous scanning1～2times, spot and spot overlap10%～20%, treatment area mild rednessof skin is terminated, each treatment between4weeks, times for a period oftreatment. The clinic efficacy and adverse effect were recorded.ResultsAmong the42patients,20cases(47.6%)with melasma were regressionobviously,18cases (42.9%)were improved, only4cases are ineffective. Atthe end of the treatment, all the patients may be mild skin redness. Nobleeding and crusting was observed and only2patients appearedpost-inflammatory hyperpigmentation. After18weeks and24weeks can be natural recovery, and no scarring. Follow up6months, in the original areaappear slight increased pigment in4（9.5%）patients who were effectiveby additional treatment.ConclusionNonablative Lux1540nm laser can be used to treat patients withmelasma safely and effectively, and no downtime, the side effects was rare.Don’t affect the patients’ daily life and work. It is a safe and effectivetreatment method.