The 3-1-1 rule must be followed if you are bringing toothpaste in your carry-on. All liquids, gels, and creams must be kept in transparent, quart-sized zip-lock bags and stored in 3.4 oz or smaller bottles. Each traveller is only permitted to bring one quart-sized bag of toiletries. The acronym for the “3-1-1 rule” is 3 ounces, 1 passenger, and 1 quart-sized bag.We hope that the information provided here about the question Can You Bring Toothpaste on a Plane” is sufficient to satisfy your needs.

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