Though the summer season always promises to lighten and relax moods for many, it can be a time of dread. The prospect of having to wear swimwear once again that reveals stubborn and dimpled cellulite can be daunting.

Cellulite is a lumpy, uneven dimpling of the skin on various parts of the body around pockets of fat, including the buttocks, thighs and hips, that is often more common in women than in men. In fact, between 80 and 90 percent of women may experience cellulite at some point in their lives. That's because women have different muscles, fat and connective distribution from men.

But what causes it? Is it harmful? What are the treatment options available?