The most common and most likely answer to this crossword clue is the 7 letter word BARBERS
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More clues leading to the result BARBERS
Buddy explains!

The straight part
We know that "hair cutters" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hair cutters = barbers.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 BARBERS mean?
BARBERS noun- A person whose profession is cutting (usually male) customers' hair and beards.
- A barber surgeon, a foot soldier specializing in treating battlefield injuries.
- A storm accompanied by driving ice spicules formed from sea water, especially one occurring on the Gulf of St. Lawrence; so named from the cutting ice spicules.
- To cut the hair or beard of (a person).
- To chatter, talk.