A make-up outfit? (3)

I believe the answer is:

kit

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'outfit?' is the definition.
(I know that outfit can be written as kit)

I can't explain the rest of the clue.

(Other definitions for kit that I've seen before include "Set of tools or clothes" , "Set of articles or tools" , "Set of equipment, perhaps for first-aid" , "Set of parts sold to be assembled" , "In strip" .)

I've seen this clue in the Evening Standard.

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