Appearance - the way that somebody/something looks on the outside; what somebody/something seems to be.
Attitude - the way that you think and feel about somebody/something; the way that you behave towards somebody/something that shows how you think and feel.
Emphasize - to make something easier to notice.
Feature - a part of somebody’s face such as their nose, mouth and eyes.
Hide - to cover somebody/something so that they/it cannot be seen.
Imperfection - a fault or weakness in somebody/something.
Self-expression - the expression of your thoughts or feelings, especially through activities such as writing, painting, dancing, etc.
Tool - a thing that helps you to do your job or to achieve something.
Inner - private and secret; not expressed or shown to other people.
Definition of appearance from the Oxford Advanced Learner's Dictionary[