What is the best natural treatment for hyperpigmentation in my legs and upper part of the back .?

Hyperpigmentation: Laser treatments, acid peels and lightening creams and bleaches are among the treatments applied directly to the skin in order to lighten spots that have been darkened by hyperpigmentation. Laser therapy involves using lasers to remove the outer layer of hyperigmented skin. Acid peels use chemicals to encourage cell rejuvenation, removing older cells and helping the body to produce healthy cells.