I want to even my skin tone , what is the best ways to even skin tone.throw diet or any medical recommendiatons?

Melasma: Hyperpigmentation is the most common complaint cosmetically in a dermatologist's office. Sunscreen and protection from uv light is key. A prescription cream containing hydroquinone also can help block the activity in the pigment cells of the skin. With the help of a dermatologist, a regime of chemical peels appropriate to your skin type can help also.