Effect of hairstyle (3)

I believe the answer is:

air

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'effect' is the definition.
The answer and definition can be both human attributes as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

'of hairstyle' is the wordplay.
'of' indicates a hidden word.
'AIR' is hidden within 'hairstyle'.

Can you help me to learn more?

(Other definitions for air that I've seen before include "Tune; mien" , "14" , "See 21" , "A tune or attitude" , "that's inspired" .)

I've seen this clue in The Sun.

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