The yellow brown spot often appear, Because of the result that the dissimilarity of the spot reason divides Gestation spot, Bask spot, Perfume spot , Black spot and Radiate spot etc.

• 面部色素斑较多见的是黄褐斑.；因致斑原因的不同又分妊娠斑；晒斑；香水斑(黑斑)；辐射斑；肝斑等