Melanin pigment is responsible for giving a dark complexion to the skin. Quantity of melanin in the skin controls the skin complexion. Dark-skinned people have more melanin in their skin than light-skinned people. It provides some protection again skin damage from the sun and the melanocytes increase their production of melanin in response to sun exposure.
There are some natural and skin whitening methods to reduce melanin explained.
Vitamin C is known as a tyrosinase inhibitor and therefore reduces the production of melanin in the skin.
Retin-A, the synthetic form of vitamin A can be used for the exfoliation of the highly pigmented dead skin cells to promote new growth.
Vitamin E-though it does not produce the production of melanin directly, but it is very effective for the reduction of high pigmentation as a result of over production of melanin.