### Clue: Old character taken in by telco set-up – they're not fair! (9)
### Answer: BRUNETTES 
 ### Explanation: Definition: they're not fair
 RUNE(a character/letter in a set of related alphabets used to write various Germanic languages before the adoption of the Latin alphabet) **contained in**(taken in by) BT(acronym the British telecommunication company/telco, formerly British Telecom) + **reversal of**(…-up, in a down clue) SET.
Defn: … in hair colour, unlike blondes.