superficial
/ˌsuːpɚˈfɪʃəl/
adjective
[more ~; most ~]
concerned only with what is obvious or apparent :not thorough or complete
affecting only the outer part or surface of something :not deep or serious
lying close to the surface
used to describe a quality, characteristic, etc., that can be seen in the outward appearance or manner of something or someone but that is not deep or genuine
disapproving :not caring about or involving important matters or deep emotions