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Liquids guides
Practical guidance about liquids, with relevant airline rules, restrictions, and packing decisions in one place.
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Can You Bring a Humidifier on a Plane?
Humidifiers are allowed in carry-on and checked luggage, but the water tank must be empty at security. Here's what to know about travel humidifiers.
Can You Bring Cheese on a Plane?
Hard vs soft cheese rules for carry-on, liquid rules for brie and cream cheese, and customs restrictions for international cheese travel.
Can You Bring Condoms on a Plane?
Condoms are allowed on planes with no restrictions. Lubricant is a liquid subject to the 100 ml carry-on rule. Here is what to know before you fly.
Can You Bring Contact Lens Solution on a Plane?
Contact lens solution rules for carry-on and checked bags, the medical liquids exemption, and tips for travel-size bottles at airport security.
Can You Bring Contact Lenses on a Plane?
Contact lenses and solution rules for carry-on bags, the 3-1-1 liquid rule for solution, and practical tips for flying with contacts.
Can You Bring Energy Drinks on a Plane?
Rules for Red Bull, Monster, Bang, and other energy drinks in carry-on and checked baggage, plus airside purchase tips.
Can You Bring Guacamole on a Plane?
Guacamole counts as a gel under TSA rules. Here's what size passes through carry-on security and what to do with full containers.
Can You Bring Hand Sanitizer on a Plane? 100ml Rule
Hand sanitizer is allowed in carry-on bags but must be 100ml or smaller. Full-size bottles go in checked luggage. Here's what to know.
Can You Bring Hummus on a Plane?
Hummus counts as a liquid under TSA 3-1-1 rules. Containers 100ml or less fit in carry-on; larger tubs must go in checked luggage.
Can You Bring Makeup on a Plane? Liquid Rules Apply
Solid makeup has no restrictions. Liquid makeup like foundation, mascara, and setting spray must follow the 100ml carry-on rule.
Can You Bring Nail Polish on a Plane? TSA Rules 2026
Nail polish is allowed in carry-on and checked bags but counts as a flammable liquid. Here are the exact rules for nail polish, remover, and gel kits.
Can You Bring Nail Polish Remover on a Plane?
Nail polish remover is flammable but allowed in small quantities. Carry-on: 100ml max. Checked: up to 500ml per container. Full rules here.
Can You Bring Salad Dressing on a Plane?
Salad dressing counts as a liquid under TSA rules. Bottles over 100ml must go in checked luggage. Single-serve packets and dry mixes are fine.
Can You Bring Soy Sauce on a Plane?
Soy sauce is a liquid under TSA rules. Small bottles under 100ml pass through carry-on. Full bottles must go in checked luggage. Here's what fits.
Can You Bring Spirits on a Plane? Whiskey, Vodka & More
Full rules for carrying spirits in carry-on and checked baggage, duty-free allowances, and customs limits by country.
Can You Bring Wine on a Plane?
Wine in carry-on vs checked bags: liquid rules, duty-free exceptions, checked bag packing tips, and country customs limits explained.
Art Supplies in Carry-On: What Airlines and Security Allow
Which art supplies can go in your carry-on? Paints, brushes, palette knives, charcoal, scissors — rules by material type with tips for traveling artists.
European Carry-On Restrictions in 2026: What's Changed
EU liquid rules, CT scanner rollout at CDG, AMS, MAD and FCO, Ryanair and Wizz Air bag policies, and Eurostar vs flying carry-on rules.
How to Pack Toiletries in Your Carry-On (TSA Rules)
Master TSA's 3-1-1 liquid rule, choose solid alternatives, and pack every beauty product without losing anything at security.
TSA-Approved Carry-On Toiletries: Full Checklist 2026
Complete list of TSA-approved toiletries for carry-on bags. What passes security, what fails, and how to build the perfect 1-litre quart bag.
Liquid Rules for Carry-On Bags: The 100ml Rule Explained
The 100ml liquid rule applies in the EU, UK, and most of Asia. The US uses the 3-1-1 rule. Here's what counts as a liquid and what's exempt.