Hippie look no good with hard expression (8)

I believe the answer is:

longhair

'hippie' is the definition.
(thesaurus)

'look no good with hard expression' is the wordplay.
'look' becomes 'lo' (archaic exclamation meaning 'look!').
'no good' becomes 'ng' (abbreviation).
'with' is a charade indicator (letters next to each other).
'hard' becomes 'h' (abbreviation used in pencil classifications).
'expression' becomes 'air' (I've seen this before).
'lo'+'ng'+'h'+'air'='LONGHAIR'

(Another definition for longhair that I've seen is " See hippy type".)

I've seen this clue in The Independent.

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