Salon creation (9)
'salon creation' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for hairstyle that I've seen before include "DA possibly" , "Pageboy or bob, say" , "Design of crowning glory" .)
(Other definitions for hairdo that I've seen before include "Style for one's crowning glory" , "Coiffure (colloq.)" , "The process of styling head growth" , "Styling of the locks" , "Possibly cut" .)