Appearance it’s the first what the interviewer see, it’s very important, but if you don’t have the rest of the qualities this is nothing. Like eapc08393, I thing you should dressed appropriately, not like a VIP, and not getting excessive jewellery and smelling perfume. You must be natural and dressed comfortably.
Then, if you have got suitable work experiences, and you have an appropriate personality, the interviewer score you better.