Small bottle removing a curse (7)

I believe the answer is:

scourge

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'curse' is the definition.
(I know that curse can be written as scourge)

I can't explain the rest of the clue.

(Other definitions for scourge that I've seen before include "torment" , "Cause great suffering to (someone); whip" , "menace" , "Afflict" , "Affliction - whip" .)

I've seen this clue in The Daily Express.

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