Crossword Genius

Poorly applied sinus gel leads to unsightliness (8)

Ross

I believe the answer is:

ugliness

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

'unsightliness' is the definition.
The definition and answer can be both human attributes as well as being singular nouns.
Maybe you can see a link between them that I can't see?

'poorly applied sinus gel leads' is the wordplay.
'sinus gel' can be anagrammed to 'UGLINESS'.
Though, I am not sure how this is indicated.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for ugliness that I've seen before include "Hideous aspect" , "Unattractiveness" , "Repulsive quality" , "Complete lack of beauty" , "Unattractive quality" .)

I've seen this clue in The Irish Times.
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