If you're a member and want a fresh look, then visit the Stylist shop in the Lamplight Town. It looks like this:
Members can change the following parts of their wizard's appearance:
- Hair Style
- Hair Colour
- Eye Colour
Select the icons in the top right of the page to switch between your options. You'll be able to preview your new look in the preview window.
It will cost you 250 gold each time you change your appearance, so make sure you like your look before clicking to buy!