im 31 year runing, and i want to no about melagard spf 50,my skin are very try in winter, and in summer, is nt tat oily but alot of sweat is coming out so i can t not use compect,so my friend sugst me melagard.and now in face pigmentation are comong out, so pls segst me,sorry can t sent me images,this my email address YYYY@YYYY . thanks achui