Auntie (ABC) recruited one radical stylist (10)

I believe the answer is:

beautician

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

'stylist' is the definition.
(I know that stylist can be written as beautician)

'auntie abc recruited one radical' is the wordplay.
I cannot quite understand how this works, but
'one' could be 'an' (an apple is one apple) and 'an' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for beautician that I've seen is " Person giving hair and skin treatments etc".)

I've seen this clue in the Sydney Morning Herald.

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