Personal appearance in the west has always been associated with sub-culture, or different cultures within a larger culture. Many people use their hairstyles to express their personality or beliefs. For example, you might associate someone with a "Mohawk" with the "punk" scene. Men with shaved heads might be a part of the military and use their hairstyle to show it. Women with shaved heads might do so to show their sexual tendencies Men with long hair are usually seen as "head-bangers" or "hippies". So remember, there's more to a hairstyle than just appearance!