The most common and most likely answer to this crossword clue is the 6 letter word DRIERS
I've seen this crossword clue in The Times
D
R
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E
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More clues leading to the result DRIERS
Buddy explains!

The straight part
We know that "Appliances seen often in gents" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case appliances seen often in gents = driers.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 DRIERS mean?
DRIERS noun- One who, or that which, dries; a desiccative.
- A household appliance that removes the water from clothing by accelerating evaporation, usually though heat and a tumbling motion.
- An electric hair dryer.
- Any other device or substance, household or industrial, designed to remove water or humidity.
- A catalyst used to promote the drying of paints and varnishes by oxidative crosslinking.