overpolish
/ˌɒvərˈpɒlɪʃ/Definitions
1. verb
to polish something excessively or to a point of being overly perfect
“The artist was accused of overpolishing the painting, taking away its original charm.”
2. noun
the act of polishing something excessively
“The overpolish of the car’s finish made it look too shiny and artificial.”