The most common and most likely answer to this crossword clue is the 7 letter word RETOUCH
R
E
T
O
U
C
H
More clues leading to the result RETOUCH
- Improve drench that's painful
- Improve gag about old uniform
- Improve image of soldiers on move
- Correct chute, or incorrect?
- About to kiss and make it better
- Worry, scratching head, “it hurts, doctor”
- Squeeze for more cash to make improvements
- Concerned with caress, this should improve image
- Improve on last place in sprint
- Gag about South African guy’s perfect shot?
Buddy explains!

The straight part
We know that "doctor" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case doctor = retouch.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 RETOUCH mean?
RETOUCH noun- The act of retouching.
- To improve something (especially a photograph), by adding or correcting details, or by removing flaws.
- To colour the roots of hair to match hair previously coloured.
- To modify a flint tool by making secondary flaking along the cutting edge.