Dr.Althea
Dr. Althea 345 Relief Cream$23.52ILLIYOON
Ceramide Ato Concentrate Cream 500ml
ILLIYOON's Ceramide Ato Concentrate Cream, in the 500ml family size, is the brand's flagship ceramide moisturizer for dry, sensitive or eczema-prone skin used across the whole body.
No reviews yet500 ml
$9.50 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- Very dry, sensitive or eczema-prone skinWhole-body or family use
- Helps with
- Daily barrier support for chronically dry skin
In stock. Arrives in 3 to 7 business days
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- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
Key benefits
- What it is: Ceramide Ato Concentrate Cream 500ml from ILLIYOON, a Korean-market cream.
- On the ingredient list: Dimethicone, Cetyl-PG Hydroxyethyl Palmitamide (Ceramide CPP-40 7622ppm), Panax Ginseng Root Water, Squalane, confirmed on this product's own manufacturer ingredient list rather than assumed from the category.
- Fits into the routine: belongs to the final moisturizing step, applied last to seal in everything underneath it.
- ILLIYOON is a ceramide skincare brand best known for its Ato line for dry, easily irritated skin.
- Original Korean Formula: the same version sold on shelves in Korea, not a US-shelf reformulation.
Inside the formula
Inside the formula
Is the 500ml meant for family or whole-body use?
Yes, it is the largest jar in the line, sized for daily use across the whole body or by more than one person in a household.
How should the 500ml size be dispensed?
It comes in a pump or wide-mouth jar sized for repeated daily scooping rather than a travel format, which is why ILLIYOON sells it at this size for household or whole-body use rather than a single face application.
Not on the ingredient list below: fragrance or parfum, denatured or SD alcohol, essential oils, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (48): Water, Butylene Glycol, Glycerin, Ethylhexyl Stearate, Dimethicone, Dicaprylyl Carbonate, Behenyl Alcohol, Stearic Acid, Palmitic Acid, Cetyl Ethylhexanoate, Hydrogenated Poly(C6-14 Olefin), 1,2-Hexanediol, Arachidyl Alcohol, C14-22 Alcohols, Cetyl-PG Hydroxyethyl Palmitamide (Ceramide CPP-40 7622ppm), Polyacrylate-13, Mannitol, Arachidyl Glucoside, C12-20 Alkyl Glucoside, Hydrogenated Polyisobutene, Glyceryl Caprylate, Ethylhexylglycerin, Polyglyceryl-10 Laurate, Hydrogenated Lecithin, Ethylhexyl Palmitate, Dimethiconol, Panax Ginseng Root Water, Carbomer, Sorbitan Isostearate, Acrylates/Ammonium Methacrylate Copolymer, Scutellaria Baicalensis Root Extract, Propanediol, Cholesterol, Silica, Prunus Mume Fruit Extract, Arachidic Acid, Glycine Max (Soybean) Oil, Squalane, Madecassoside, Polyglyceryl-10 Pentaisostearate, Tocopherol, Ceramide NP (4ppm), Oleic Acid, Phytosphingosine, Pentylene Glycol, Dipotassium Glycyrrhizate, Canola Oil, Rosmarinus Officinalis (Rosemary) Leaf Extract
Ingredient list read from jolse.com on 10 September 2026.
46 of 48 explained
- Water solvent
- Water is the base almost every serum, toner and cream is built on. It dissolves the water-loving ingredients and sets how light the finished texture feels. On an INCI list it is usually first, which only means it is the largest single ingredient by weight.
- Butylene Glycol humectant
- Butylene Glycol is a small glycol that does two jobs at once: it holds water in the top layer of skin and it dissolves plant extracts and actives that plain water cannot. It also thins a formula, which is why watery Korean essences lean on it.
- Glycerin humectant
- Glycerin is the most used humectant in skincare. It draws water into the outer layer of skin and holds it there, and it is one of the very few ingredients whose hydrating effect is settled science rather than marketing. Higher amounts feel tacky, which is why it is usually blended.
- Ethylhexyl Stearate emollient
- Ethylhexyl Stearate is an ester emollient with a slightly richer feel than the palmitate. It softens skin and helps a formula spread evenly.
- Dimethicone silicone
- Dimethicone is the most used cosmetic silicone. It forms a breathable film that smooths the surface, slows water leaving skin, and gives the slip that makes a primer or cream feel silky. It is inert and does not penetrate.
- Dicaprylyl Carbonate emollient
- Dicaprylyl Carbonate is a light, fast-spreading emollient with a notably dry finish. It is chosen where a formula has to spread thin without leaving a heavy film.
- Behenyl Alcohol fatty alcohol
- Behenyl Alcohol is a long-chain fatty alcohol used to thicken and stabilise a cream. It gives a richer, more velvety body than cetyl alcohol.
- Stearic Acid fatty acid
- Stearic Acid is a saturated fatty acid from plant fats, and one of the three lipid classes skin's own barrier is built from. In a formula it thickens, stabilises the emulsion and can be turned into a soap-style cleanser by adding a base.
- Palmitic Acid fatty acid
- Palmitic Acid is a saturated fatty acid present in skin's own lipids. It thickens a formula, stabilises the emulsion and softens skin.
- Cetyl Ethylhexanoate emollient
- Cetyl Ethylhexanoate is a synthetic ester used as a dry-feeling emollient. It spreads easily, leaves a silky rather than oily finish, and helps disperse pigments and UV filters evenly.
- Hydrogenated Poly(C6-14 Olefin) emollient
- Hydrogenated Poly(C6-14 Olefin) is a synthetic hydrocarbon emollient. It gives a smooth, silicone-like glide and is completely stable, so it does not go rancid.
- 1,2-Hexanediol humectant
- 1,2-Hexanediol is a glycol used for two reasons: it holds water like glycerin, and it makes a formula harder for microbes to live in, so less traditional preservative is needed. Korean formulas use it heavily for that second reason.
34 more explained
- Arachidyl Alcohol fatty alcohol
- Arachidyl Alcohol is a long-chain fatty alcohol used as a thickener and emollient, usually alongside behenyl alcohol.
- C14-22 Alcohols fatty alcohol
- C14-22 Alcohols is a declaration for a mixture of long-chain fatty alcohols. They thicken a cream and hold the emulsion together.
- Polyacrylate-13 thickener
- Polyacrylate-13 is a pre-neutralised thickener that gels instantly and holds an emulsion together, so a formula can be built without heat.
- Mannitol humectant
- Mannitol is a sugar alcohol used as a humectant and antioxidant. It hydrates and helps stabilise the rest of the formula against oxidation.
- Arachidyl Glucoside emulsifier
- Arachidyl Glucoside is a sugar-derived co-emulsifier, usually supplied with arachidyl and behenyl alcohols as a plant-based cream base.
- C12-20 Alkyl Glucoside emulsifier
- C12-20 Alkyl Glucoside is a sugar-derived emulsifier used in mild, plant-based cream bases.
- Hydrogenated Polyisobutene emollient
- Hydrogenated Polyisobutene is a stabilised synthetic hydrocarbon used in place of mineral oil. It is an emollient that leaves a smooth, cushioned film.
- Glyceryl Caprylate emulsifier
- Glyceryl Caprylate is a mild emulsifier that also makes a formula less hospitable to microbes, so it is often part of a preservative-free system.
- Ethylhexylglycerin preservative booster
- Ethylhexylglycerin softens skin and boosts a preservative system, which is why it is nearly always sitting beside phenoxyethanol or 1,2-hexanediol. It also cuts down the odour bacteria produce, so it turns up in deodorising products.
- Polyglyceryl-10 Laurate emulsifier
- Polyglyceryl-10 Laurate is a sugar-derived emulsifier and solubiliser, mild enough to be a standard choice in Korean essences. It dissolves small amounts of oil into water without any tightening feel.
- Hydrogenated Lecithin emulsifier
- Hydrogenated Lecithin is lecithin with its unsaturated bonds filled in, which makes it far more stable. It emulsifies and is the standard shell for the liposomes that carry actives into the outer layer of skin.
- Ethylhexyl Palmitate emollient
- Ethylhexyl Palmitate is a palm-derived ester used as a light emollient and a solvent for pigment. It gives a smooth, non-greasy slip.
- Dimethiconol silicone
- Dimethiconol is a high-molecular-weight silicone that leaves a longer-lasting smooth film than dimethicone. It is used for lasting slip and shine.
- Panax Ginseng Root Water plant extract
- Ginseng root distillate used as a base water. It carries far less of the ginsenosides than the root extract does.
- Carbomer thickener
- Carbomer is a synthetic polymer that only gels once a base neutralises it, which is why arginine or tromethamine sits nearby on the list. It gives the clear, non-stringy gel texture a xanthan formula cannot reach.
- Sorbitan Isostearate emulsifier
- Sorbitan Isostearate is a mild emulsifier that holds water into oil, the direction a cleansing balm or an oil-based cream needs.
- Acrylates/Ammonium Methacrylate Copolymer film former
- A synthetic copolymer used as a film former and a suspending agent. It sets to a flexible film, which is what holds a peel off or long wearing formula together.
- Scutellaria Baicalensis Root Extract plant extract
- Scutellaria Baicalensis is Chinese skullcap. Its root extract carries baicalin, a well studied plant antioxidant, and it is used for the look of redness.
- Propanediol humectant
- Propanediol is a plant-derived glycol used in place of propylene glycol. It hydrates, carries actives into solution, and gives a lighter, less sticky slip than glycerin at the same strength.
- Cholesterol barrier lipid
- Cholesterol is the third of the three lipids the outer layer of skin is built from, with ceramides and fatty acids. Formulas that carry all three are following the ratio skin itself holds.
- Silica absorbent
- Silica is finely milled mineral, essentially very pure sand. It absorbs oil, stops powders clumping and soft-focuses the look of pores and fine lines.
- Prunus Mume Fruit Extract plant extract
- Korean plum extract, from the fruit used to make maesil syrup. It is acidic and carries organic acids and polyphenols.
- Arachidic Acid fatty acid
- Arachidic Acid is a long-chain saturated fatty acid used to thicken and stabilise a formula.
- Glycine Max (Soybean) Oil emollient
- Soybean Oil is a linoleic-rich plant oil used as an emollient. It also carries soy phytosterols and vitamin E.
- Squalane emollient
- Squalane is the stable, saturated version of squalene, a lipid human skin already makes. It is a light emollient that absorbs quickly, does not oxidise, and is one of the few oils widely considered safe for blemish-prone skin. Most cosmetic squalane is now from sugarcane or olive rather than shark.
- Madecassoside active
- Madecassoside is the centella triterpene most associated with the look of redness, and the one brands lead with in cica products. It is water soluble and stable, so it appears in essences as readily as in creams.
- Tocopherol antioxidant
- Tocopherol is vitamin E. It is an oil-soluble antioxidant that protects the oils in a formula from going rancid and works on skin as an emollient, and it is regularly paired with vitamin C because each keeps the other going for longer.
- Ceramide NP (4ppm) barrier lipid
- Ceramide NP is the most used cosmetic ceramide, the same class of lipid that makes up roughly half the mortar between cells in the outer layer of skin. Added to a cream it slots into that structure, which is why ceramide formulas feel less leaky rather than merely greasy.
- Oleic Acid fatty acid
- Oleic Acid is the main fatty acid in olive and many nut oils. It is a rich emollient that softens skin and can feel heavy on skin prone to congestion.
- Phytosphingosine barrier lipid
- Phytosphingosine is the backbone every ceramide is built on, and skin uses it in its own lipid layer. In a formula it works with ceramides and cholesterol and also keeps the product stable against microbes.
- Pentylene Glycol humectant
- Pentylene Glycol hydrates and, like the other longer-chain glycols, makes a formula less hospitable to microbes so the preservative system can be lighter. It also improves how evenly a product spreads.
- Dipotassium Glycyrrhizate active
- Dipotassium Glycyrrhizate is a water-soluble salt derived from licorice root. It is the licorice fraction Korean formulas use for the look of redness, and it is far more stable in water than the whole extract.
- Canola Oil emollient
- Canola Oil is pressed from rapeseed. It is a light, high-oleic oil used to soften skin and to carry oil-soluble ingredients.
- Rosmarinus Officinalis (Rosemary) Leaf Extract plant extract
- Rosemary Leaf Extract carries rosmarinic and carnosic acids, both effective antioxidants. It is often there to keep the oils in a formula from going rancid.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809559324399
- Made in
- Republic of Korea
- Volume
- 500 ml
- Category
- Moisturizer
- Actives
- Centella Asiatica, Ceramide NP, Ginseng, Licorice Root, Madecassoside, Squalane
- Ships from
- California or Korea
Orders ship from California or direct from Korea with tracked delivery to your door, and both routes carry the same Korean-market release. Shipping is free on orders of $100 or more. Returns are accepted for 30 days, by mail.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Barcode
Listed against the Korean barcode on its box - 3California or Korea
Ships to you from either, as the same Korean-market release
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name. The barcode in the specification above is the Korean-market one and it is printed on the box you receive.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Every order ships from California or direct from Korea, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
How it works
The 500ml jar is built for daily, whole-body use, the size ILLIYOON's cream is best known for in households managing chronic dryness or a child's eczema-prone skin.
How to use
- After showering or cleansing, on damp skin.
- Smooth a generous, even layer over the body or face.
- Reapply as needed to any area that stays dry.
Complete the routine
- This itemILLIYOON Ceramide Ato Concentrate Cream 500ml$47.50

- From the same Korean-market lineILLIYOON Cica Trouble Clear Body Mist 200ml$35.00

- Seal the routine in as the last stepILLIYOON Ceramide Ato Concentrate Cream 200ml$27.50

Total for 3 items$110.00
Reviews
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ILLIYOON Ceramide Ato Concentrate Cream 500ml
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
We’re on gram!
Creators trying on authentic Korean skincare routines and products from us.
Rating a shelf of Dr. Althea products one by one.
Jasmine Loo · YouTube
Two hydrating serums side by side, IUNIK and Dr. Althea.
Kristin · YouTube
A walk through the Dr. Althea serum lineup and who each one suits.
auraofmahmuda · YouTube
A blunt first take on the Dr. Althea range.
Lexi Chang · YouTube
A first look at the viral 345 Relief Cream before buying.
Shelley Nayak · YouTube
A first try of the Dr. Althea serum on camera.
Hannah Ziad · YouTube
ILLIYOON, Korean-market original
ILLIYOON's flagship ceramide cream, in the family-size jar.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about skin care, quoted from the medical sources linked beside each.
Your skin barrier is basically your outer layer of the skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic Pretty much every step of a Korean skin care routine is going to have some component of hydration.
Alok Vij, MDDermatologist, Cleveland Clinic
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