Dark Spots or black spots are marks of old pimples and acnes that may remain on your face for long time. Many people use expensive cosmetics which can damage face while there are many natural remedies which can also clear these dark spots.
Lemon Juice is considered the most effective remedy which gives instant result within few days. Just take 4 tablespoon water and mix extracts of one lemon in it. Using cotton ball rub this on your face and then wash your face with warm water.
Try this on alternate days and you will see that within two weeks the dark spots are gone. If you have severe black spots then continue this remedy for few more weeks.
Yogurt and lemon juice is another great remedy which you can use daily to get rid of these dark spots. Take 4 tablespoon of yogurt and add few drops of lemon juice and 2 tablespoon honey.