Yes.As long as it's set to Flight-ready mode before airport security and throughout your flight. In accordance with ICAO regulations, your Dyson Corrale™ straightener should be packed in carry-on luggage.
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Devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage. Most other consumer devices containing batteries are allowed in carry-on and checked baggage. For more information to portable electronic devices, see the FAA regulations.
Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.
Flammable. Non-toiletry, WD-40, spray paint, spray starch, cooking spray, etc. This entry is for flammable aerosols that don't qualify as a medicinal or toiletry article (see separate entry in the PackSafe table).
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.
Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.
You can bring a hair straightener in your carry-on luggage or checked baggage on a flight. However, if you do not have a TSA approved travel adapter, you should check with your airline before traveling to ensure that they allow you to take a straightener in your carry on bag or checked bag.
Here's TSA's answer on the official TSA Twitter channel: Tweezers are good to go in carry-on bags. Safe travels! Tweezers are allowed in carry-on and checked bags, but sharp objects should be securely wrapped to prevent injury.
Remove personal electronic devices larger than a cell phone from your carry-on bag and place them into a bin with nothing placed on or under them for X-ray screening. (E.g. laptops, tablets, e-readers and handheld game consoles.) Remember to check the bins and collect all belongings after going through screening.
Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.
Most airlines allow passengers to bring on both a carry-on and a personal item like a backpack, laptop bag, purse, briefcase, shopping bag, etc. The general rule of thumb is that your personal item is smaller in dimension than your carry-on bag and it can fit underneath the seat in front of you.