Where does this cream go in my routine?

As the last skincare step, morning and evening, over serum. Anything thinner than a cream goes on before it, and anything richer goes on after. If you are adding it to a routine you already like, give it a week on its own first, so what you see is the Niacinamide and not three changes at once.

Is this the Korean-market cream or a US version?

The Korean-market one, Niacinamide and all. We match this cream to its Korean barcode before it reaches the shelf, which is the check that tells you which market release you are holding.

What else is on the list besides Niacinamide?

Sodium DNA, Adenosine and Tocopherol. The order they are printed in on this cream's panel is the order on the box, so you can see where Niacinamide sits relative to them. Further down the same panel: Ceramide NP, Cholesterol and Phytosphingosine.

DEWYTREE

AC Deep Moisture Barrier Calming Cream 60ml

Name: DEWYTREE AC Deep Moisture Barrier Calming Cream 60ml
Brand: DEWYTREE
SKU: 11047102162
Price: 40.0 USD
Availability: InStock

DEWYTREE AC Deep Moisture Barrier Calming Cream is a 60ml cream with Niacinamide, used as the last skincare step, morning and evening, over serum.

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$40.00

60 ml

$66.67 per 100 ml

Korean-market formula
Ships from California or direct from Korea
Korean barcode and batch code intact

Suited to: Dry skinCompromised barrierDehydrated skinSensitive skin

Helps with: Shoppers looking for Niacinamide in a creamRoutines that want Niacinamide and Sodium DNA in one stepFilling the cream step with a Korean-market formulaAnyone who wants the Niacinamide cream sold on Korean shelves

One-time purchase

$40.00

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$36.00

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How it works

The AC Deep Moisture Barrier Calming Cream is a 60ml cream, used as the last skincare step, morning and evening, over serum. The active it is built around is Niacinamide, named sixth on its own ingredient list. The same list carries Sodium DNA, Adenosine and Tocopherol, so the active is not the only thing on it worth naming. How much of the Niacinamide stays on the skin, and for how long, is decided by the cream format rather than by the list alone. This is the Original Korean Formula, the cream DEWYTREE sells in Korea, Niacinamide and all.

Key benefits

Niacinamide, the active this cream is built around
Sodium DNA and Adenosine on the same list, actives
Tocopherol on the same list, an antioxidant
Ceramide NP on the same list, a barrier lipid
Cholesterol and Phytosphingosine further down the same list
Ceramide NS and Ceramide NG further down the same list

How to use

Use this cream AM and/or PM, as the last skincare step, after serum. Pat or smooth it on rather than rubbing, and give it a moment to settle before layering the next step.

1 of 6

53 of 55 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.
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.
Coco-Caprylate/Caprate emollient: Coco-Caprylate/Caprate is a coconut-derived ester used as a light, dry emollient in place of silicone. It spreads far and leaves a soft finish.
Panthenol humectant: Panthenol is pro-vitamin B5: skin converts it to pantothenic acid. It is a humectant that holds water and leaves skin feeling soft and less tight, and it is one of the ingredients formulators reach for when a formula also contains something harsh.
Methylpropanediol humectant: Methylpropanediol is a small glycol used to hydrate and to help water-soluble actives penetrate the outer layer of skin more evenly. It leaves almost no tack, which suits watery textures.
Niacinamide active: Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is used at roughly 2 to 5 percent for the look of uneven tone and visible pores, and it is water soluble, stable and comfortable beside almost every other active, which is why it turns up in so many lists.
Diglycerin humectant: Diglycerin is two glycerin units joined together. It holds water like glycerin but feels less tacky, so it is used where a formula needs hydration without drag.
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.
Polyglyceryl-3 Methylglucose Distearate emulsifier: Polyglyceryl-3 Methylglucose Distearate is a sugar-derived emulsifier known for a light, non-soapy feel. It builds gel-creams that do not read as rich.
Centella Asiatica Extract plant extract: Centella Asiatica is the plant behind the whole cica category, sold as gotu kola or Madagascar centella. Its extract is the anchor of Korean formulas built for easily reddened skin, and its work is done by four triterpenes: asiaticoside, madecassoside, asiatic acid and madecassic acid.
Mentha Piperita (Peppermint) Leaf Extract plant extract: Peppermint leaf extract, the water-based extract rather than the essential oil, so it carries far less menthol. It is used as a refreshing herbal extract.
Sodium DNA active: Sodium DNA is the salt of DNA, in Korean skincare almost always salmon derived, and it is the ingredient behind the PDRN category. It is used as a humectant and for the look of tired skin; the fragments themselves are what the name PDRN refers to.

41 more explained

Soluble Collagen protein: Soluble Collagen is collagen kept in its intact triple-helix form and dissolved rather than cut up. It sits on the surface as a water-holding film.
Linolenic Acid fatty acid: Linolenic Acid is an omega-3 fatty acid from seed oils. It is an emollient and part of the lipid mix skin uses in its own surface layer.
Linoleic Acid fatty acid: Linoleic Acid is an essential omega-6 fatty acid and the main fatty acid in sunflower, safflower and rosehip oil. In a formula it is a lipid that softens and sits in the outer layer.
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.
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.
Betula Platyphylla Japonica Juice plant extract: Betula Platyphylla Japonica Juice is Asian white birch sap, tapped in spring. It is over 98 percent water with trace minerals and sugars, and Korean formulas use it in place of plain water as a hydrating base.
Helianthus Annuus (Sunflower) Seed Oil emollient: Sunflower Seed Oil is high in linoleic acid, the fatty acid dry and blemish-prone skin is often short of. It is a light, non-fragrant emollient and one of the better tolerated plant oils.
Ceramide NP 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.
Carthamus Tinctorius (Safflower) Seed Oil emollient: Safflower seed oil, among the highest-linoleic plant oils. High-linoleic oils feel lighter and absorb faster than high-oleic ones.
Polyglyceryl-10 Oleate emulsifier: Polyglyceryl-10 Oleate is a mild sugar-derived emulsifier and solubiliser used where a formula must stay clear.
Salvia Hispanica (Chia) Seed Oil emollient: Chia seed oil, one of the richest plant sources of omega-3 fatty acids. It is a light, fast-absorbing oil that softens skin.
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.
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.
Avena Sativa (Oat) Kernel Extract plant extract: Oat Kernel Extract carries beta-glucan and avenanthramides, and it is one of the most reliably tolerated ingredients in skincare. It is used for the look of reddened, itchy-feeling skin.
Macadamia Ternifolia Seed Oil emollient: Macadamia Seed Oil is unusually high in palmitoleic acid, a fatty acid that human sebum also contains, which is why it absorbs faster than most nut oils. It is a cushioning emollient for dry skin.
Brassica Campestris (Rapeseed) Sterols emollient: Phytosterols are plant sterols, structurally close to the cholesterol in skin's own lipid layer. They soften skin and help the oil phase of a formula hold together.
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.
Ceramide NS barrier lipid: Ceramide NS is another of the ceramides skin makes for itself. It is used alongside NP and AP so a formula supplies a mixture rather than a single lipid.
Ceramide NG barrier lipid: One of the ceramide types found between skin cells, also written ceramide 2. Ceramides are the lipid that fills the space between cells in the outer layer.
Ceramide AP barrier lipid: Ceramide AP is a second cosmetic ceramide, distinguished by an extra hydroxyl group. Formulas that name several ceramides are copying the mix skin actually holds rather than relying on one.
Ceramide AS barrier lipid: Ceramide AS is a further member of the same lipid family. Its presence usually signals a formula built around a full ceramide profile rather than a single headline one.
Ceramide EOP barrier lipid: Ceramide EOP is the ceramide with the longest tail, and in skin it acts as the rivet holding the lipid layers together. It is the third member of the standard cosmetic ceramide trio.
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.
Ammonium Acryloyldimethyltaurate/VP Copolymer thickener: This is a synthetic thickener that gels quickly and holds an emulsion stable across a wide pH range. It gives a light, non-tacky body.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer thickener: This is a carbomer relative with fatty side chains, so it thickens and stabilises an emulsion at the same time. It gives a light gel-cream body rather than a heavy one.
Arginine amino acid: Arginine is an amino acid that does two jobs here: it holds water in the outer layer of skin, and it neutralises acidic gelling agents, which is why it often stands in for a synthetic pH adjuster.
Xanthan Gum thickener: Xanthan Gum is a polysaccharide made by fermenting sugar. It thickens a watery formula into a gel and holds the whole thing in suspension so nothing separates. Too much of it and a serum turns stringy, which is why it appears in fractions of a percent.
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.
Ethylcellulose film former: Modified plant cellulose that dissolves in solvents rather than water. It dries to a water-resistant film, so it is used for staying power.
Polyquaternium-51 film former: Polyquaternium-51 is a polymer, sometimes sold as Lipidure, built on the same phosphorylcholine structure as a cell membrane. It holds water in a film on the surface and gives a distinctive soft, dry finish.
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.
Adenosine active: Adenosine is a nucleoside that Korea's own cosmetic authority recognises as a wrinkle-care functional ingredient, which is why it appears on so many Korean lists at a low level. It is used for the look of fine lines and is stable and well tolerated.
Disodium EDTA chelator: EDTA is a chelator: it locks up trace metal ions from water and packaging that would otherwise turn a formula cloudy, off-colour or rancid. It does nothing to skin and appears at a fraction of a percent.
Theobroma Cacao (Cocoa) Seed Extract plant extract: Cocoa Extract carries polyphenols and a little caffeine. It is used as an antioxidant plant extract and gives a faint warm tint.
Coptis Japonica Root Extract plant extract: Coptis Japonica is a traditional East Asian medicinal root, bright yellow from its berberine content. In skincare its extract is used for the look of congested, oily skin.
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.
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.
Candida Bombicola/Glucose/Methyl Rapeseedate Ferment ferment: This ferment produces sophorolipids, sugar-based molecules that behave as very mild surfactants and emulsifiers. It is used to keep a formula blended without a harsh cleanser.
Dipropylene Glycol humectant: Dipropylene Glycol is a glycol used as a solvent and a light humectant. Its main job is keeping the rest of the formula dissolved and the texture fluid rather than adding hydration of its own.
Cetearyl Alcohol fatty alcohol: Cetearyl Alcohol is a waxy solid, not the drying kind of alcohol. It is a blend of cetyl and stearyl alcohols used to thicken a cream and keep oil and water from separating, and it softens skin as it does so.
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.

Inside the formula

Ingredients declared

No fragrance

on the list

Worth knowing

Patch test this cream on a small area and wait a day before using it more widely, especially with Niacinamide on the list.
Introduce this cream on its own for the first week, so anything your skin does is traceable to the Niacinamide rather than to three changes at once.

Complete the routine

This itemDEWYTREE AC Deep Moisture Barrier Calming Cream 60ml$40.00
The last step of the morning, over everything elseDEWYTREE Urban Shade Anti-Pollution Tone Up Sun 40ml$25.00
Seal the routine in as the last stepDEWYTREE ULTRA S4 Snail Cream 80ml$22.50

Total for 3 items$87.50

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DEWYTREE AC Deep Moisture Barrier Calming Cream 60ml

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DEWYTREE, Korean-market original

The Original Korean Formula cream from DEWYTREE, 60ml formulated with Niacinamide and Sodium DNA, shipped from California or direct from Korea.

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 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