The overall style is what makes your hairstyle a punk hairstyle though the color and cut influence this style. The most well known hair is the Mohawk. The flyaway is another traditional style, think of rock stars from the 70s and 80s. Other factors to incorporate in the hairstyle include spikes, unexpected parts, loops and braids. Generally punk hairstyles require a huge amount of styling products. This causes more hair damage so deep conditioning treatments will be necessary to keep your hair healthy. If you are experimenting before finding your punk hairstyle then you should use temporary dies that will wash out and cause less damage to your hair.
A Sign of Rebellion _ It's a way to reject gender expectations and show that not only guys can have short hair. Some girls do it to express themselves in a way that says, "I'm different and I don't care what you think!"