Crossword Genius

Cleaner but untidy head of hair (3)

Ross

I believe the answer is:

mop

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'cleaner' is the first definition.
(something which 'cleans')

'untidy head of hair' is the second definition.
'mop' can be an answer for 'hair' (mop can mean a mass of hair). I am not sure about the 'untidy head of' bit.

'but' is the link.

Can you help me to learn more?

(Other definitions for mop that I've seen before include "Finish off a task - . . . up" , "Mass of disordered hair" , "Swab" , "Bundle of soft material at end of stick for cleaning" , "Cleaning implement" .)

I've seen this clue in The Globe and Mail.
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