Yes, most serums, creams, and toners can fly, but carry-on liquids must stay within the 3.4-ounce limit and fit in one quart bag.
The Ordinary is easy to travel with once you sort its products by form and bottle size. Most of the brand’s serums are small enough for carry-on use, while larger toners and bigger backups are better packed in checked baggage. The rule that matters most is not the brand name. It’s whether the product counts as a liquid, gel, cream, or paste, and how big the container is.
That catches people out all the time. A tiny serum bottle usually passes with no drama. A half-full toner bottle that came in a larger container can still be stopped because security looks at the container size, not how much product is left inside. If you’re packing The Ordinary for a weekend, a long-haul trip, or a move, the smartest move is to sort each item before you zip your bag shut.
What Counts As A Liquid For Airport Security
Most The Ordinary products fall into the liquid category for airport screening. That includes water-based serums, face oils, creams, emulsions, suspensions, peeling treatments, foundations, and toners. If it pours, squeezes, pumps, spreads, or smears, treat it like a liquid when you pack your carry-on.
That means products like Niacinamide 10% + Zinc 1%, Hyaluronic Acid 2% + B5, Multi-Peptide Serum, Squalane Cleanser, Azelaic Acid Suspension, and Glycolic Acid toner should all be packed with your other carry-on liquids if they’re coming into the cabin with you. Even thicker formulas that feel more like a cream than a fluid still fall under the same screening rule.
Solid or powder items are the easier part. If you’re carrying something dry, like a powder formula, it usually won’t count toward your liquids bag. Still, it helps to keep the original label visible so an agent can tell what it is at a glance.
Can I Take The Ordinary On A Plane In Carry-On Bags?
Yes, you can bring The Ordinary in your carry-on if each liquid container is 3.4 ounces, or 100 milliliters, or less. All of those liquid items also need to fit inside one clear, quart-size bag. TSA spells this out in its 3-1-1 liquids rule, and that single rule answers most cabin-bag questions right away.
That’s good news for many of the brand’s bestselling serums. A lot of them come in small 30 mL bottles, and those are well under the limit for carry-on travel. The trouble starts with larger items. A toner bottle, bigger cleanser, or backup-size moisturizer may be fine in checked luggage but not in your cabin bag.
Also, the bottle’s printed size matters more than how much product is left inside. A mostly empty 240 mL bottle is still a 240 mL bottle. Security officers do not care that there’s just a little left at the bottom. If the container is over the limit, it does not belong in the carry-on liquids bag.
Carry-On Packing Tips For The Ordinary
Pack your travel-day skincare like you’ll need to show it fast. Put all eligible liquids together in one small clear bag. Keep that bag near the top of your carry-on so you’re not digging through clothes, chargers, and snacks at the checkpoint.
It also helps to trim the routine. Travel days are not the best time to carry your full bathroom shelf. A cleanser, one hydrating serum, one treatment, moisturizer, and sunscreen usually cover the trip without eating up your liquids space.
Why Some The Ordinary Products Are Better In Checked Luggage
The Ordinary sells products in more than one size, and that matters. A serum in a 30 mL dropper bottle is easy for a carry-on. A larger toner bottle is another story. Bigger containers can be packed in checked baggage, where the cabin liquid limit does not apply the same way.
Checked baggage is also handy if you’re carrying several skincare steps, backup bottles, or full-size products for a longer stay. You still need to pack them well, since checked bags get tossed around more than most people think.
| The Ordinary Product Type | How To Treat It At Security | Best Place To Pack It |
|---|---|---|
| Water-Based Serums | Counts as a liquid | Carry-on if 100 mL or less; checked if larger |
| Face Oils | Counts as a liquid | Carry-on if 100 mL or less; checked if larger |
| Creams And Moisturizers | Counts as a cream or paste | Carry-on if 100 mL or less; checked if larger |
| Cleansers | Usually treated as a liquid or gel | Carry-on if small; checked for full-size bottles |
| Toners | Counts as a liquid | Carry-on only in small containers; checked for big bottles |
| Peeling Solutions | Counts as a liquid | Carry-on if 100 mL or less; checked if larger |
| Foundations | Counts as a liquid | Carry-on if travel-size; checked for larger containers |
| Powders | Not usually part of the liquids bag | Carry-on or checked |
Taking The Ordinary In Checked Luggage Without A Mess
You can put full-size The Ordinary products in checked luggage, and that’s often the cleanest answer for larger bottles. Still, checked baggage is rough on leaks, glass, and screw-top lids. A dropper bottle that travels fine in your bathroom can drip all over your clothes after a pressure change and a hard landing.
Wrap each bottle in a small zip bag before it goes into your suitcase. Then cushion it with soft clothing or place it in a toiletry case with some structure. If a product comes in glass, give it extra padding. One cracked bottle of acid toner can ruin fabric, shoes, and electronics in the same bag.
If you’re checking several liquid toiletries, TSA’s item database also points travelers to the agency’s larger packing rules for those products in checked baggage. The broad What Can I Bring list is useful when you’re packing a mixed toiletries bag with skincare, hairspray, razors, and other personal items.
Best Way To Protect Dropper Bottles
Dropper bottles look neat on a vanity. They’re less neat in a suitcase. Tighten the cap, make sure the dropper is fully screwed down, and tape the closure if you’re worried about seepage. Then place the bottle upright in a plastic pouch if your toiletry kit has elastic loops or bottle slots.
Don’t decant active skincare unless you really know what you’re doing. A mystery travel bottle with no label can make your routine confusing halfway through the trip. It can also make it harder to spot expired product, follow usage directions, or avoid mixing acids and retinoids on tired travel skin.
Which The Ordinary Products Usually Fit Carry-On Rules Best
The easiest cabin-friendly picks are small serums and compact treatment bottles. Many of The Ordinary’s core formulas are sold in modest sizes, which makes them well suited for short trips. A standard serum bottle takes little room in your quart bag and gives you enough product for days or weeks.
Products that tend to cause more packing questions are toners, cleansers, and anything sold in a larger bottle. Those are still plane-safe. They just may belong in checked luggage unless you buy a smaller size or move them into a properly labeled travel container that meets airline screening rules.
| Trip Type | The Ordinary Items That Make Sense | Packing Call |
|---|---|---|
| Weekend Trip | Cleanser, one serum, moisturizer | Carry-on is usually enough |
| One-Week Trip | Core routine plus one treatment | Carry-on if all containers are small |
| Long Vacation | Full routine and backup products | Checked bag is easier |
| Work Trip | Low-fuss hydrating routine | Carry-on for speed |
| Moving Or Extended Stay | Full-size bottles and multiples | Checked luggage makes more sense |
Smart Packing Choices For Acids, Retinoids, And Delicate Formulas
The Ordinary is known for active formulas, and those deserve a little extra thought when you travel. Plane travel itself does not ban them. The bigger issue is whether you’ll want them in flight, after a long dry cabin stretch, or right after landing in strong sun.
Acids, peeling products, and retinoids can make travel skin feel touchy, especially if you’re jet-lagged, dehydrated, or heading somewhere hot and bright. If you’re trying to keep things simple, pack the item but don’t feel forced to use every active in the air or on the first night. Many travelers do better with a calmer routine until they settle in.
That also helps with spills and overpacking. A trip is not the time to haul every bottle you own. Pick the formulas you know you’ll use. Leave the rest at home.
Should You Use The Ordinary During The Flight?
You can, though less is usually better. A basic moisturizer or hydrating serum makes more sense mid-flight than a peeling solution or strong treatment. Airplane cabins are dry, your hands aren’t always clean, and airplane bathrooms aren’t the place to juggle five glass bottles and a mirror.
If you want in-flight skincare, keep it plain: cleanse only if needed, pat on hydration, then seal it with moisturizer. Save the stronger actives for a normal sink, clean hands, and better lighting.
Mistakes That Get The Ordinary Tossed At Security
The most common mistake is packing a full-size liquid in a carry-on because the bottle looks small enough. Security goes by the marked container size. That’s the rule. A bottle over 100 mL can be taken, even if there’s barely any product inside.
The next mistake is spreading products across several pouches. Keep all your carry-on liquids together. If your serum is in one bag, your cleanser is in another, and your cream is loose in a side pocket, screening gets slower and more annoying than it needs to be.
Another slip is forgetting that creams and thick formulas count too. Travelers often separate “liquids” from “skincare” in their minds, then get surprised when a cream jar or rich suspension is treated the same as a serum bottle.
How To Pack The Ordinary For A Smoother Airport Day
Pack your plane routine the night before, not five minutes before you leave. Lay everything out and ask three simple questions: Is this a liquid, is the container 100 mL or less, and do all the cabin liquids fit in one quart-size bag? If the answer breaks down anywhere, move the item to checked baggage or leave it home.
Then think about what you’ll want right after landing. A small moisturizer, a gentle cleanser, and one familiar serum are enough for most trips. That keeps your bag light, your routine steady, and your odds of a checkpoint snag low.
If you’re still unsure, treat The Ordinary by product type, not by brand. Small serums usually work in carry-on bags. Larger bottles usually belong in checked luggage. Once you sort it that way, the packing decision gets much easier.
References & Sources
- Transportation Security Administration (TSA).“Liquids, Aerosols, and Gels Rule.”Sets the carry-on rule for liquids, gels, creams, and similar toiletries in containers of 3.4 ounces or 100 milliliters or less.
- Transportation Security Administration (TSA).“Complete List (Alphabetical).”Provides TSA item guidance and points travelers to checked-baggage limits for toiletries and related personal care items.
