Meladerm for Dark Spots on Legs?

I have dark spots on my legs, aonly about 5 of them. I'm really ashamed of them that I wouldn't show my legs. Ii've had them about 2 years and I really want to get make them go away and get back the nice clear legs I once had. What product can I use that is guaranteed to work fast? I haven't tried any skin lightening product for this yet because I'm not sure what to purchase. Will Meladerm be a right choice? If not, what do you recommend? I'm 23 years of age.

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