Crossword Genius

Barber's solution combined heat with temperature control (4,11)

Ross

I believe the answer is:

hair conditioner

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

'control' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'barber's solution combined heat with temperature' is the wordplay.
I cannot really see how this works, but
'combined' could be 'one' (similar in meaning) and 'one' is found within the answer.
'temperature' could be 't' (abbreviation) and 't' is found in the answer.
'barber' could be 'hair' (I've seen this in another clue) and 'hair' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

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