Sheen adjusting result (6)
I believe the answer is:
lustre
'sheen' is the definition.
(I know that sheen can be written as lustre)
'adjusting result' is the wordplay.
'adjusting' indicates an anagram.
'result' is an anagram of 'LUSTRE'.
(Other definitions for lustre that I've seen before include "Brilliancy" , "Reflected light, sheen" , "effect of reflected light" , "Gloss - type of pottery" , "Brilliant quality in a material, porcelain, etc" .)