When your skin is discolored or darkened it is called Hyperpigmentation. There is another type of hyperpigmentation and that is melasma. Hyperpigmentation caused by increased of melanin due to sun damage and inflammation.
See Also: How to Remove Skin Tags, Moles and Warts
Following is the treatment of this skin disease at home with the best remedy.
Remove Hyperpigmentation, Melasma Treatment Remedy