Effervescent perfume? (5)

I believe the answer is:

scent

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

'effervescent perfume?' is the definition.
'scent' can be an answer for 'perfume?' (perfume is a kind of scent). I'm not sure about the 'effervescent' bit.

'effervescent perfume?' is the wordplay.
'SCENT' is hidden in amongst the letters.
But, I am not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for scent that I've seen before include "Bouquet" , "Perfume for the tracker" , "Fragrance" , "Track; aroma" , "Number of clues" .)

I've seen this clue in the Evening Standard.

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