Brown spots can develop on your skin, especially if you are over exposed to the sun. They might not be harmful, but it doesn’t look pretty when there are many brown spots on such skin area as your face.
Cosmetic treatments such as laser treatment can remove those brown spots. There are also some natural home remedies that you can try to remove brown spots at home. This article here discusses how to remove brown spots on skin with such regular household items as lemon juice, aloe vera, and gram flour pack, and yogurt.