Skin damage frightens couple away (4)

I believe the answer is:

scar

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

'skin damage' is the definition.
'scar' can be an answer for 'damage' (I've seen this before). I am not certain of the 'skin' bit.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for scar that I've seen before include "Steep rock - blemish" , "Visible mark of healing" , "Mark on body or tree" , "Bare craggy rock" , "Sign of old injury" .)

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

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