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 Snail Secretion Filtrate and not three changes at once.

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

The Korean-market one, Snail Secretion Filtrate 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 Snail Secretion Filtrate?

Adenosine, Ceramide NP and Hydrolyzed Elastin. The order they are printed in on this cream's panel is the order on the box, so you can see where Snail Secretion Filtrate sits relative to them. Further down the same panel: Vanilla Planifolia Fruit Extract, Pimpinella Anisum (Anise) Fruit Extract and Pyrus Communis (Pear) Fruit Extract.

DEWYTREE

ULTRA S4 Snail Cream 80ml

Name: DEWYTREE ULTRA S4 Snail Cream 80ml
Brand: DEWYTREE
SKU: 12913102176
Price: 22.5 USD
Availability: InStock

DEWYTREE ULTRA S4 Snail Cream is a 80ml cream with Snail Secretion Filtrate, used as the last skincare step, morning and evening, over serum.

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$22.50

80 ml

$28.13 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 Snail Secretion Filtrate in a creamRoutines that want Snail Secretion Filtrate and Adenosine in one stepFilling the cream step with a Korean-market formulaAnyone who wants the Snail Secretion Filtrate cream sold on Korean shelves

One-time purchase

$22.50

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$20.25

In stock. Arrives in 3 to 7 business days

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How it works

The ULTRA S4 Snail Cream is a 80ml cream, used as the last skincare step, morning and evening, over serum. The humectant it is built around is Snail Secretion Filtrate, named sixteenth on its own ingredient list. The same list carries Adenosine, Ceramide NP and Hydrolyzed Elastin, so the humectant is not the only thing on it worth naming. How much of the Snail Secretion Filtrate 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, Snail Secretion Filtrate and all.

Key benefits

Snail Secretion Filtrate, the humectant this cream is built around
Adenosine on the same list, an active
Ceramide NP on the same list, a barrier lipid
Hydrolyzed Elastin on the same list, a protein
Pimpinella Anisum (Anise) Fruit Extract and Pyrus Communis (Pear) Fruit Extract further down the same list
Cetyl Ethylhexanoate and Hydrogenated Polydecene further down the same list

Inside the formula

Ingredients declared

No fragrance

on the list

1 of 4

37 of 38 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.
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.
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 Polydecene emollient: Hydrogenated Polydecene is a synthetic hydrocarbon emollient used in place of mineral oil. It is stable, has no scent, and gives a cushioned slip without oxidising.
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.
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.
Butyrospermum Parkii (Shea) Butter emollient: Shea Butter is the fat pressed from the shea nut, rich in oleic and stearic acids and unsaponifiable plant sterols. It is a heavy emollient and partial occlusive, which is why it sits in balms and night creams rather than in essences.
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.
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.
Glyceryl Stearate emulsifier: Glyceryl Stearate is glycerin joined to stearic acid, and one of the most used emulsifiers in skincare. It holds oil and water together and thickens the result, and it softens skin at the same time.
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.

25 more explained

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.
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.
Ceteareth-20 emulsifier: An ethoxylated fatty alcohol that holds oil and water together in a cream. The number records how much ethylene oxide was added, which sets how water-loving it is.
Snail Secretion Filtrate (1,250ppm) humectant: Snail Secretion Filtrate is the mucin a snail produces, filtered for cosmetic use, and it is the ingredient the Korean snail category is built on. It carries glycoproteins, hyaluronic acid and glycolic acid, and it is used for hydration and a smoother-looking surface.
Betaine humectant: Betaine is a sugar-beet-derived humectant that cells use to hold water. In a formula it hydrates and takes the edge off cleansers and acids, which is why it often appears alongside them.
Trehalose humectant: Trehalose is a sugar that some desert plants use to survive drying out. In skincare it is a humectant that holds water in the outer layer and helps a formula feel comfortable rather than tight.
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.
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.
Rosa Damascena Flower Water plant extract: Rosa Damascena Flower Water is the water left from distilling rose petals. It is used in place of plain water as a base and carries the scent and trace compounds of the distillation.
Vanilla Planifolia Fruit Extract plant extract: Vanilla bean extract. It carries vanillin, the compound its scent comes from, along with polyphenols, so it contributes fragrance as well as extract.
Pimpinella Anisum (Anise) Fruit Extract plant extract: Anise seed extract. It carries the plant's aromatic compounds and is used as a conditioning extract that contributes scent.
Pyrus Communis (Pear) Fruit Extract plant extract: Pear Fruit Extract carries fruit sugars and mild fruit acids. It is used as a hydrating extract with a very light smoothing effect on the surface.
Hedera Helix (Ivy) Leaf/Stem Extract plant extract: Ivy Leaf and Stem Extract carries saponins, plant compounds that foam slightly in water. It is used in body and eye formulas for the look of puffiness.
Hydrolyzed Elastin protein: Hydrolyzed Elastin is fragments of elastin, the protein that gives skin its snap back. Like collagen it cannot rebuild the real thing from the outside; it holds water and leaves a smooth film.
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.
Sodium Polyacrylate thickener: Sodium Polyacrylate is a polymer that absorbs many times its weight in water. It thickens a formula and holds water in a gel against the skin.
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.
Polyisobutene film former: Polyisobutene is a synthetic polymer that forms a flexible, water-resistant film. It gives gloss and holds a formula in place, which is why it appears in lip products and long-wear textures.
Polysorbate 20 emulsifier: Polysorbate 20 is a solubiliser: it dissolves small amounts of oil or fragrance into a watery formula so nothing separates or floats.
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.
Sodium Hyaluronate humectant: Sodium Hyaluronate is the salt of hyaluronic acid, and it is what most products labelled hyaluronic actually contain. The salt dissolves more readily and the molecule is smaller, so it sits in the outer layer of skin rather than only on top of it.
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.
Caprylyl Glycol preservative booster: Caprylyl Glycol is a glycol that conditions skin and, more importantly, strengthens a preservative system so less of the traditional preservative is needed. It appears in most modern formulas built without parabens.
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.
Chlorphenesin preservative: A preservative effective against bacteria, yeast and mould across a wide pH range, which is why it appears where a single milder preservative cannot cover the formula.

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.

Worth knowing

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

Complete the routine

This itemDEWYTREE ULTRA S4 Snail Cream 80ml$22.50
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 Advanced Snail Cream 80ml$22.50

Total for 3 items$70.00

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DEWYTREE ULTRA S4 Snail Cream 80ml

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DEWYTREE, Korean-market original

The Original Korean Formula cream from DEWYTREE, 80ml formulated with Snail Secretion Filtrate and Adenosine, 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