If you’ve noticed dark spots on your skin and you’re looking to get rid of them, you need to be aware that all discoloration is not the same, and that you can actually make some discoloration worse if you treat it with the wrong modality. We talk to renowned dermatologist, Dr. Dennis Gross, about the different causes of the hyperpigmentation – a broad term used to describe skin that has been discolored or darkened due to an array of factors, including sun damage, acne scarring or inflammation and melasma.