From WebMD
"No matter what kind of age spots you have, they can all be treated.
Removal is the only way to make unwanted spots disappear totally. Doctors have many techniques at their disposal, including freezing with liquid nitrogen, laser removal, or surgical removal. "But beware. People often spend a lot of money on creams that don't work, Winfield says. For example, some "fading" creams don't do a thing; others help some people but not others. If you're trying a new product, Winfield advises that you try it on a small area first. It's very common, she says, for people to come in to her office with a bad reaction to a product they've spread all over their body."