Hi Riana
Dark spots is pigmentation that is either hereditory or it is caused by sun damage. You get many skin care products that can clear pigmentation over time. A great one is the Clarins brightening clean. Bare in mind that it is going to take a while to see results. Also remember that you have to use a sunscreen on a daily basis so that the pigmentation does not get darker.
Stay Beautiful…Indulge Yourself