To most men, she shows a certain polish (5)
I believe the answer is:
sheen
'polish' is the definition.
(both can mean a shiny surface)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for sheen that I've seen before include "Oil slick" , "splendid clothing" , "Surface gloss" , "Soft lustre on a surface" , "Acting family" .)