[header] How to get rid of brown spots using home remedies [title] Apply lemon juice directly to spots. [step] Lemon juice contains an acid that may help break down melanin pigment and thus reduce the appearance of spots within a month or two. Vitamin c in lemons may directly bleach the skin as well. 
Cut a lemon into slices and place the slices directly on the brown spots. Leave it on for about 30 minutes and then rinse off with running water.