Brown University laser safety program provides guidance on the safe use of lasers. While all lasers and laser systems (Class 1, Class 1M, Class 2, Class 2M and Class 3R, Class 3B and Class 4) should ...

Brown spots, sometimes referred to as “age spots,” freckles and other pigmentation ... However, there is some pigmentation that has other causes, like the melasma experienced by pregnant women. Today ...