What can i do, besides using sunscreen, to help treat malasma?

Several steps: As little sun exposure as possible and when you are in the sun for any time ( even going to store in car) wear a good physical sun block. No treatments that heat up the skin such as photofacial Consider hydroquinone 4% under MD care Consider low power Q switch laser therapy Consider profractionl therapy to break up some of the pigments and expel them It only controllable not cureable