How Can I Remove This Dark Mark on my Face?& the Scar on my Chin? (photo)

I'm not sure how long I've had it but I noticed it years ago. Not sure if its a birthmark on sun spot or any idea whatsoever. It's dark, and has faded away slightly over the years. I'm a 23 year old hispanic female in the Miami area. Thanks:) I also have this scar I would like to get rid of..

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