Brown Spots
The usual cause of the development of brown spots on the skin is sun exposure.  Perhaps this is for the reason that exposure to the sun causes the cells that produce melanin, the natural pigment of the skin, to shift into overdrive.
To prevent brown spots on the skin, you can consider a laser therapy. Many pros believe that laser therapy is the speediest solution to this problem.  This technique is done by way of focusing a beam of light that erases the splotches on the skin.  However, just like some other clinical techniques, the treatment’s aftereffects, like redness and scabbing, can take a few weeks to go away, although the energy of the laser doesn’t affect the surrounding skin. With a laser therapy, it is noted that about twenty spots can be zapped in just one 15-minute session.  About the cost, many clinics offer this treatment at $300.
There is also a much slower option, one that requires no downtime for eliminating brown spots – the use of retinoids or alpha-hydroxy acids (AHA) combined with bleaching agents such as hydroquinone and kojic acid.  This treatment is said to inhibit the formation of melanin.  Also, the retinoids or AHAs alone could take up to six months to produce the obvious improvement on the skin. This is according to Amy B. Lewis M.D., the director of dermatologic surgery at the Downstate Medical Center in New York City. A particular product recommended is Alustra, a twofer dermatologic favorite which contains retinol as well as a four percent concentration of hydroquinone. This item actually costs about $70 for one ounce, and the treatment lasts one to two months.
For further solution, products with antioxidants such as vitamins E and C as well as green teat are highly recommended.  These are said to prevent brown spots on the skin by way of squelching the production of free radicals, which are destructive molecules that can contribute to skin discoloration.   Also, smoothing on a broad spectrum sunscreen like the well-known L’Oreal Ombrelle Sunscreen Lotion SPF 30 every day is a must for eliminating brown spots on the skin.