You'll be pleased to know I didn't have any issue with my Dyson Air Wrap in my checked luggage on two recent cruises so that model or the original Dyson Hair Dyer are certainly allowed onboard.
People Also Ask
Most lines — including Royal Caribbean, Disney, Celebrity, Cunard, Seabourn and Viking — do allow guests to bring flat irons or curling irons on board.
Are hair driers allowed on Royal Caribbean cruise ships? Yes, you are allowed to bring a small or travel hairdryer with you on board. However, each stateroom has its own hairdryer, so there is no need to take one on your luggage.
What items am I not allowed to bring? Carnival Cruise Line prohibits weapons, illegal drugs and certain items that could interfere with the safe operation of its ships or compromise the safety and secure environment of its guests and crew.
Can you take nail clippers on a cruise? You should be fine to take grooming products such as nail files, nail clippers and tweezers on board but just read the small print and make sure you are not trying to take on anything which could be deemed to be dangerous.