overexposure
noun /ˌəʊvərɪkˈspəʊʒə(r)/
  /ˌəʊvərɪkˈspəʊʒər/
[uncountable]- overexposure (to something) the fact of having no protection from the harmful effects of too much light or too much time in the sun
- skin cancer caused by overexposure to the sun
 
 - the fact of being seen too much on television, in the newspapers, etc.
- The actor may be suffering from overexposure this year.