Pimples on back skin can be some of the most difficult to fight and overcome. The reason for this is simple. This region of the body is not as easy to get to as others are. As a result, it is harder to keep clean. Since cleansing skin is one of the best ways to treat this condition, this becomes one of the most important things to do if you have an outbreak. How can you do that? Why are you dealing with this in the first place? Can you prevent it?