The most common and most likely answer to this crossword clue is the 7 letter word GUMDROP
I've seen this crossword clue in The Guardian
G
U
M
D
R
O
P
More clues leading to the result GUMDROP
- Sweet little face turned to the front
- Fool picked up then let go of sweet
- Sweet face about to fall
- Doctor’s operation after face-lift for Candy?
- Lift up features, miss out to see sweet thing
- Drum rolls brought in Republicans – sweet
- Sweet face reflected decline
- Candy, Rod, Gump all confused
- MD group chewed up candy
- Stick cut off sweet
Buddy explains!

The straight part
We know that "Sweet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sweet = gumdrop.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GUMDROP mean?
GUMDROP noun- A small chewy candy made with corn syrup, gelatin and some flavouring oils or powders.