Toothpaste is currently allowed on airplanes as long as it is in a 3.4-ounce or smaller container. Additionally, all your bottles of liquids and gels must fit in a single 1-quart plastic bag.
If it's in a small travel sized tube then yes.
The question nowadays is "What ISN'T allowed on airplanes?" Items such as aerosol cans; toothpaste; soda cans; and most (if not all) pressurized cans and aren't allowed on airplanes due to the fact people have miss used them as weapons. Then there's the obvious, guns; knives; sharp metal; any other type of weapon (blade.. etc.)
Phones aren't allowed on airplanes, because they may influence cockpit controls.
Yes It is allowed
You can bring alcohol nipples on airplanes
No problem.
No.
no
Yes, they are.
of course
Not to be used on the airplane, no.
as long as you have it in a suitcase and not a carry on
Yes but maximum 100ml .