There are a lot of chloasma on the face how should do

There are a lot of chloasma on the face had better go dermatological examination, can use hydroquinone cream, kojic acid cream and other drugs coated in local treatment, with trichloroacetic acid solution, liquid nitrogen freezing and other stripping therapy treatment. Through laser and strong pulse treatment, with vitamin C and other methods to treat. Usually keep the skin clean.