“…[1] The necessity to describe such complementary treatments is possibly forced by such topics as antibiotic resistance, and the side effects and monitoring supplies included by oral isotretinoin use. [2] Various light-related technologies have been assessed in the treatment of acne vulgaris, and hopeful initial results have been suggested by some investigators but their studies were mainly relatively small, uncontrolled case series. [3] Even with some predicted mechanisms whereby light-related technologies may improve acne vulgaris, exact confirmation of the efficacy of these methods is absent.…”