Retouching product photos is a cakewalk. You take to Photoshop, have the RGB Color mode checked, create a new path, if need be, use the Pen Tool, add some Transforming and Cloning moves, set the Layer Mode to Multiply, follow a few more intricate steps here and there, and voila! You have perfectly retouched photos.
When you decide to buy something online, what is the most dominant factor that makes you stick to the product page and look further for its details pertaining to price and features? For most of you, the answer might be product images.