overclean
verb
over·clean
ˌō-vər-ˈklēn
overcleaned; overcleaning
: to clean (something) too much
Overcleaning gold jewelry may cause unnecessary wear.
We are victims of our own (carefully nurtured by advertising) need to overclean everything in our lives. We do our children no favours whatsoever by subjecting them to a sterile environment in the house only to send their unprepared immune systems out into a grubby, germy world.—
Lee Simpson
Love words? Need even more definitions?
Merriam-Webster unabridged



