Members of the panel are always gratified to see that a performer has made an effort to turn up to an audition looking as good as they can. First impressions are vital and it's important to make a positive impact. It reflects and enhances your profile as a performer and shows that you care about what you do. It also helps members of the panel retain a clearer recollection of you and a your audition for their later discussions.
Glasses and Hair:
It's equally vital to be able to see the performer's face, so it's important that your hair (no mtter how fashionably styled) doesn't hide it.
When it comes to footwear it is best not to wear very high heels for the audition.