Airport Liquids Rules for Skincare at Changi 2026: What Gets Through

Does a 20g Laneige Lip Sleeping Mask count as a liquid at Changi security, and does the answer change if the jar is half-used? Yes, and no. Changi Airport's published liquids, aerosols and gels rule, which follows the International Civil Aviation Organization guidelines the Civil Aviation Authority of Singapore applies, treats creams, balms, lotions, oils, pastes and cosmetics as LAGs regardless of how much is left, caps each container at 100ml, and puts everything in one transparent resealable bag of not more than 1 litre. The lip mask is a balm in a pot, so it goes in the bag. The half-used 150ml toner does not go through at all, because the rule is about the container, not the contents.

That is the whole logic of airport skincare, and once you have it the rest is detail. This article goes through the Changi rule product by product for a Singapore traveller, covers the Singapore Airlines and Scoot cabin allowances the bag has to fit inside, explains the sealed duty-free bag and why it fails on a Europe transit, and finishes with a carry-on routine built from real CeraVe, Laneige and Hada Labo sizes. Every rule is quoted from the official page and dated September 2026.

The rule at a glance

Item	Changi and CAAS rule (as of September 2026)	What it means for skincare
Container size	Each container 100ml or less; over 100ml not accepted even if partially filled	A 150ml toner with 30ml left is binned; a full 100ml bottle is fine
Bag	One transparent resealable plastic bag, not more than 1 litre, completely closed, presented separately	Roughly 8 to 10 containers of 100ml, fewer if they are bulky jars
Quantity	Total in all containers not more than 1 litre	The bag is the limit, not the count
Bags per passenger	One	Partner's bag is theirs, not an overflow
Exemptions	Medication with a doctor's letter; baby food; breast milk when the infant is travelling	Prescription emollients and tretinoin can exceed 100ml with paperwork
Duty-free airside purchases	LAGs over 100ml allowed in a sealed tamper-evident bag with receipt visible	Protected until the next screening point only
EU and Switzerland transit	Only STEB-sealed purchases bearing the SGP code permitted onboard	Transit screening can still confiscate; buy on the last leg
Where screened at Changi	Gate holdrooms at T1, T2, T3; central security at T4	Bag must be ready before the gate, not at check-in
Singapore Airlines Economy cabin allowance	One piece, 7kg, 115cm total dimensions, plus personal item 40 x 30 x 10cm	A full liquids bag is up to 1kg of the 7kg
Scoot Economy cabin allowance	Two pieces, 10kg total, larger bag 54 x 38 x 23cm, personal item 40 x 30 x 10cm; ScootPlus 15kg	Same liquids rule, slightly more weight headroom

What counts as a liquid, aerosol or gel at Changi?

Changi's page lists the restricted categories as drinks, soups and sauces, perfumes and deodorants, creams, balms, lotions and oils, cosmetics, and pastes. Read that as a consistency test. If a product can be poured, pumped, squeezed, sprayed or spread, it is a LAG. That catches almost the whole skincare routine: cleanser, toner, essence, serum, lotion, cream, sleeping mask, eye cream, sunscreen lotion, micellar water, facial mist and lip balm in a pot.

What it does not catch is anything solid. A bar cleanser, a cleansing balm that is genuinely solid at room temperature, a sunscreen stick, a lip balm stick, a powder sunscreen and any pressed powder travel loose. This is the single most useful packing trick for a 7kg Singapore Airlines allowance: every product you can switch to stick or bar form comes out of the bag and off the LAG count.

Sheet masks are the grey area. The sheet is saturated in essence, usually 20ml to 30ml of it, and the sachet is sealed. Screeners at Changi and at overseas airports have treated them both as LAGs and as non-LAGs. The practical rule is to carry two or three in the 1-litre bag where they take little room and put the rest in checked luggage, so a strict screener costs you nothing.

How does the 100ml container rule actually work?

Three things catch people out.

It is the container, not the contents. Changi states plainly that LAGs in containers exceeding 100ml will not be accepted even if partially filled. The Hada Labo Gokujyun Premium Lotion comes in a 170ml bottle; a third-full one is still a 170ml bottle. Decant it into a 100ml bottle or check it in.

Grams count as millilitres. Jars are labelled in grams, bottles in millilitres, and screeners treat 100g as the same limit as 100ml. The Laneige Water Sleeping Mask 70ml jar and the Laneige Lip Sleeping Mask 20g pot both clear the cap; a 100g jar is at the edge and a 120g jar is out.

The bag has to close. Changi's wording is that the bag must be completely closed and presented separately. An overstuffed bag that will not seal is treated as over the limit, so volume is the real constraint, not the number of items. Flat tubes pack far better than round jars: the CeraVe Moisturising Cream 50ml tube and the CeraVe Hydrating Cleanser 88ml travel bottle lie flat and leave room; a 70ml jar does not.

Where is the liquids bag checked at Changi, and when?

For departures, Terminals 1, 2 and 3 screen cabin baggage at the gate holdroom, and Terminal 4 screens at central security after immigration. Either way, the liquids bag must be packed and sealed before you reach that point, not at the check-in counter and not at immigration. Keep it at the top of the cabin bag so it comes out in one movement; Changi's own travel tips make the same point.

That gate-holdroom screening is also the last place you can discard anything over the limit, and there is no going back to check a bag in. If a full-size product is important, check it in at the counter.

On arrival in Singapore there is no liquids screening at all. A full-size skincare haul in hand luggage from Tokyo or Seoul is only an issue at the departure airport there, under Narita's or Incheon's rules, or if you transit through Changi to a further destination, in which case it is screened again before the onward gate.

Does the sealed duty-free bag protect skincare on a transit?

Only until the next screening point. Changi's rule is that LAGs over 100ml bought in the departure transit area must stay in the sealed tamper-evident bag with the receipt visible. On a non-stop flight that bag is never opened and the rule never bites. On a transit, the second airport applies its own screening, and this is where Singaporeans lose SK-II and Estee Lauder sets.

Europe is the specific trap. Changi states that for travel to the EU and Switzerland, only STEB-sealed purchases bearing the SGP code are permitted onboard, and European transit airports such as Frankfurt have confiscated duty-free liquids over 100ml at transit screening when the bag or receipt did not meet their standard. Middle East hubs such as Hamad in Doha generally re-screen but accept intact STEBs. The safe practice is simple: on a one-stop itinerary, buy large bottles at the last airport before your destination, or at Changi only when the flight is non-stop. iShopChangi's collect-on-return option, where you buy online and pick up at Changi arrivals, sidesteps the whole problem for anything you want for home rather than for the trip.

What are the Singapore Airlines and Scoot allowances the bag has to fit inside?

Singapore Airlines Economy allows one piece of cabin baggage up to 7kg with total dimensions of 115cm, plus one personal item up to 40cm by 30cm by 10cm, such as a handbag or small laptop bag. Premium Economy is the same 7kg; Business and First allow two pieces totalling 14kg. Scoot's standard Economy allowance is two pieces totalling 10kg, the larger no bigger than 54cm by 38cm by 23cm and the personal item no bigger than 40cm by 30cm by 10cm; ScootPlus allows 15kg across two pieces. Both airlines publish the same ICAO liquids rule as Changi.

The weight matters more than people expect. Ten 100ml bottles with their packaging weigh roughly 900g to 1kg, which is a seventh of a Singapore Airlines Economy allowance before you have packed a laptop. That is the argument for minis rather than full 100ml decants on a short trip, and for sticks and bars wherever the formula exists.

Is it cheaper to buy travel sizes or to decant full sizes?

Per millilitre, decanting wins. Laneige's Water Sleeping Mask is listed at S$51 for 70ml and S$19 for 25ml at Singapore retailers as of September 2026, about S$0.73 per ml against S$0.76 per ml, and that is one of the smaller mini premiums in the category; many brands charge double per millilitre for the travel size. A set of 100ml bottles from Muji or Sephora is a one-off cost and lasts years.

Travel sizes win on three things. First, products that need a pump or a sealed tube, because decanting them is messy and unhygienic: the CeraVe travel pair, the 88ml Hydrating Cleanser and the 50ml Moisturising Cream tube, is exactly the right format and already under 100ml. Second, anything you want sealed for a tax-free scheme. Third, bag volume: a 25ml Laneige mini uses a third of the space of the 70ml jar, and on a 7kg allowance space in the bag is the binding constraint.

The sensible split for a Singapore traveller: decant toners and lotions, which are cheap per millilitre and easy to pour, so the Hada Labo Gokujyun Premium Lotion 170ml becomes a 100ml bottle; buy genuine travel sizes of cleansers, creams and masks; and switch sunscreen to a stick or a 50ml tube.

How do I pack a carry-on skincare routine for a 7kg allowance?

A seven-day routine that clears Changi screening and weighs under 500g, built from products Watsons, Guardian and Sephora stock in Singapore:

Step	Product and size	LAG?	Notes
Cleanse	CeraVe Hydrating Cleanser 88ml travel bottle	Yes, in bag	Already under 100ml, flip-top, lies flat
Tone and hydrate	Hada Labo Gokujyun Premium Lotion decanted to 100ml	Yes, in bag	170ml bottle stays home; decant into a Muji 100ml
Treat	Serum in its 30ml bottle	Yes, in bag	Most serums are 30ml and clear the cap as sold
Moisturise	CeraVe Moisturising Cream 50ml tube	Yes, in bag	Tube beats the 340g tub, which is out on size
Night	Laneige Water Sleeping Mask 25ml mini	Yes, in bag	The 70ml jar also clears the cap but is bulky
Lips	Laneige Lip Sleeping Mask 20g	Yes, in bag	A balm stick would come out of the bag
Sun	Sunscreen stick, or a 50ml tube	Stick no; tube yes	Anessa, Biore and La Roche-Posay all sell sub-100ml formats
Masks	Two sheet masks in bag, rest checked	Grey area	Costs nothing to be safe

Pack it in a flat 1-litre resealable bag rather than a round pouch, seal it fully, and put it at the top of the cabin bag. The whole kit uses about half the bag, which leaves room for a 30ml perfume atomiser and a hand sanitiser.

Where cashback fits

The products in this routine are bought before the trip, and that is where cashback via ShopBack applies. Sephora Singapore sells the Laneige minis and the CeraVe travel pair, and Watsons carries CeraVe, Hada Labo, Biore and Anessa in the sub-100ml formats; both are ShopBack merchants for Singapore. Activate ShopBack before you click through, complete the order in the same session, and cashback tracks on the paid amount at the rate shown on each merchant page. Guardian and iShopChangi are also ShopBack merchants, which matters for the collect-on-return route that avoids the transit problem entirely.

The second place cashback fits is the flight and hotel around the trip. Singapore Airlines, Scoot, Agoda, Booking.com, Trip.com and Klook are all ShopBack merchants for Singapore, and on a week in Tokyo or Seoul the hotel cashback is worth far more than the skincare. Activate ShopBack, click through to the merchant, and finish each booking before starting the next so tracking fires cleanly.

Frequently asked questions

What exactly is the Changi liquids rule for skincare in 2026?

Changi Airport's published rule, which follows the International Civil Aviation Organization guidelines that the Civil Aviation Authority of Singapore applies, is that liquids, aerosols and gels are allowed in hand-carry baggage only in containers of 100ml or less, placed together in one transparent resealable plastic bag of not more than 1 litre, which must be completely closed and presented separately at screening. Each passenger gets one bag. A container larger than 100ml is not accepted even if it is almost empty, and anything over the limit must be discarded before screening. Exemptions exist for medication with a doctor's letter, baby food and breast milk when the infant is travelling. Duty-free liquids bought airside in Changi are separately allowed in a sealed tamper-evident bag with the receipt visible.

How do I know whether a skincare product counts as a liquid, aerosol or gel?

Changi's list of restricted items includes creams, balms, lotions and oils, cosmetics, pastes, perfumes and deodorants, so the test is consistency rather than label: if it can be poured, squeezed, pumped, sprayed or spread, it is a LAG. Toners, essences, serums, lotions, sunscreen lotions, cleansers, sleeping masks, cream and gel moisturisers, lip masks in a pot, and aerosol sunscreen all count. Solid products do not: bar cleansers, a stick sunscreen, a solid balm stick, powder sunscreen and pressed powders travel outside the bag. Sheet masks are the grey area; the sheet is saturated in essence, and screeners at Changi and overseas have treated them both ways, so the safe practice is to put a few in the 1-litre bag where they fit and keep the rest in checked luggage.

What are the Singapore Airlines and Scoot cabin baggage limits for a skincare bag?

Singapore Airlines Economy allows one piece of cabin baggage up to 7kg with the sum of length, width and height not more than 115cm, plus one personal item up to 40cm by 30cm by 10cm; Premium Economy has the same 7kg rule and Business and First allow two pieces totalling 14kg. Scoot's standard Economy allowance is two pieces totalling 10kg, with the larger bag no bigger than 54cm by 38cm by 23cm and the personal item no bigger than 40cm by 30cm by 10cm; ScootPlus allows 15kg across two pieces. The 1-litre liquids bag sits inside those allowances and counts toward the weight, so a full bag of 100ml bottles, roughly 900g to 1kg with packaging, is a meaningful share of a 7kg limit.

Is it cheaper to buy travel-size skincare in Singapore or to decant full sizes?

Decanting is cheaper per millilitre every time, because travel sizes carry a packaging premium: the Laneige Water Sleeping Mask is listed at S$51 for 70ml and S$19 for 25ml at Singapore retailers as of September 2026, which is about S$0.73 per ml for the full size against S$0.76 per ml for the mini. The travel size wins on convenience, on sealed products that cannot be decanted hygienically, and on items like the CeraVe Hydrating Cleanser 88ml and Moisturising Cream 50ml tube, which are already under 100ml and leak-proof. The sensible split: decant toners and lotions such as the Hada Labo Gokujyun Premium Lotion 170ml into 100ml Muji or Sephora bottles, and buy genuine travel sizes of anything that needs a pump or a sealed tube.

Is a sleeping mask or lip mask treated as a liquid at Changi?

Yes. A sleeping mask is a gel-cream and a lip mask in a pot is a balm, both of which fall under Changi's creams, balms and pastes category. The Laneige Water Sleeping Mask 70ml fits the 100ml container cap and goes in the 1-litre bag; the 25ml mini is the better carry-on choice because it takes less of the bag's volume. The Laneige Lip Sleeping Mask 20g is tiny but is still a balm, so it goes in the bag too. A balm or sunscreen in solid stick form is not a LAG and can travel loose. The weight printed on a jar in grams is treated the same as millilitres for screening purposes.

When do I need to put liquids in the clear bag, at check-in or at the gate?

At Changi, the LAG screening for departing passengers happens at the gate holdroom in Terminals 1, 2 and 3 and at central security in Terminal 4, so the bag must be ready before you reach the gate rather than at check-in or immigration. That is also the last point to discard anything over 100ml. Pack the sealed bag at the top of your cabin bag so it comes out in one movement. On arrival in Singapore there is no liquids screening, so products bought abroad in full sizes are only an issue if you are flying onward or transiting.

When does the Changi duty-free sealed bag stop protecting my skincare on a transit?

At the next security screening. Changi's rule is that LAGs over 100ml bought in the departure transit area must stay in the sealed tamper-evident bag with the receipt visible, and the bag protects them only until you pass through another screening point. If you fly non-stop to your destination it is never opened. If you transit, the transit airport applies its own rules: for Europe, including Switzerland, Changi states that only STEB-sealed purchases bearing the SGP code are permitted onboard, and some European airports have confiscated duty-free liquids over 100ml at transit screening. Buy large bottles on the last leg of the journey, or buy them at Changi only when the flight is non-stop.

Can I carry medicated or prescription skincare over 100ml in my hand luggage?

Changi exempts medication from the LAG limits when it is accompanied by a doctor's letter, alongside baby food and breast milk when the infant is travelling. A prescription tretinoin or a dermatologist-prescribed emollient in a 200ml tube can therefore go through with the prescription or a clinic letter and will be inspected separately; declare it to the screener rather than hiding it in the 1-litre bag. Over-the-counter products marketed as medicated, such as acne washes or eczema creams, are not exempt unless a doctor has prescribed them, so keep those under 100ml or check them in.

Does the 100ml rule apply to sunscreen sprays and aerosols from Singapore?

Yes, and aerosols face two rules at once. As a LAG, an aerosol sunscreen or dry shampoo must be 100ml or less and go in the 1-litre bag. As a pressurised container, toiletry aerosols are also subject to airline dangerous-goods limits on total quantity per passenger and must have a protective cap on the valve. Singapore Airlines and Scoot both allow toiletry aerosols in cabin and checked baggage within those limits. A 50ml Biore UV spray or a travel Anessa spray is fine in the bag; a 200ml can is checked-baggage only. A lotion or stick sunscreen avoids the question entirely.

What happens to my Japan or Korea skincare haul if I transit through Changi on the way home?

If Singapore is your final destination there is no liquids screening on arrival, so full-size Hada Labo lotions and Laneige jars in your hand luggage from Narita or Incheon are only screened at the departure airport, under that airport's rules. If you transit through Changi to another destination, your hand luggage is screened again before the onward gate, and anything over 100ml that is not in an intact STEB with receipt will be discarded. Until 31 October 2026, Japan's tax-free consumables such as skincare are sold in a sealed bag that must stay closed until you leave Japan; from 1 November 2026 that sealed-bag requirement is abolished under Japan's refund model. Either way, pack the haul in checked luggage before any transit.