Cosmetic applier (6,4)
I believe the answer is:
powder puff
'cosmetic applier' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for powder puff that I've seen before include "Cosmetic aid" , "Cosmetic pad" , "Cosmetic applier" , "Pad for applying cosmetics" , "Soft pad for use with cosmetics" .)