Rosemary PDRN Scalp Serum 20ml
Medicube Rosemary PDRN Scalp Serum 20ml is a Korean-market scalp serum built around Caffeine, formulated in Korea and sold here in its original Korean-market formula rather than a US-shelf reformulation.
No reviews yet20 ml
$20.00 per 10 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- a normal scalpan oily scalpa dry, flaking scalp
- Helps with
- scalp itchiness or buildupfine or thinning-feeling haira scalp that gets oily between washes
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
How it works
Medicube Rosemary PDRN Scalp Serum 20ml is a scalp serum built for a leave-in scalp step used a few times a week. Its ingredient list leads with Caffeine, Allantoin, and Panthenol, so the formula's stated purpose lines up with what actually sits near the top of that list rather than with a single marketing ingredient buried further down. Caffeine does the most work here as a de-puffing look, and the remaining actives round out the texture and finish rather than compete for attention. Placed as a leave-in scalp step used a few times a week, it is meant to be used AM or PM rather than swapped freely between steps. Because this is the Korean-market version of the Rosemary PDRN Scalp Serum 20ml line rather than a US-reformulated variant, the texture and finish match what Medicube sells through Korean retail.
Key benefits
- Built around Caffeine, positioned for de-puffing look.
- Built around Allantoin, positioned for comfort.
- Built around Panthenol, positioned for comfort.
- Formulated as a scalp serum for a leave-in scalp step used a few times a week.
- The Korean-market Medicube formula for Rosemary PDRN Scalp Serum 20ml, matching what Medicube sells in Korea rather than a US-reformulated line.
How to use
- Use this scalp serum as a leave-in scalp step used a few times a week. To apply, part the hair in sections and apply drop by drop directly to the scalp, massaging in with fingertips. Keep it to AM or PM unless the packaging states otherwise, and give the rest of the routine a moment to settle before layering the next step.
What does the Rosemary PDRN Scalp Serum 20ml actually contain?
Its ingredient list is led by Caffeine, with the rest of the formula built to support that active rather than compete with it. We list the ingredients in the order the manufacturer prints them, so the ones near the top of the panel are doing the most work in the formula.
How do I use the Rosemary PDRN Scalp Serum 20ml?
Use this scalp serum as a leave-in scalp step used a few times a week. To apply, part the hair in sections and apply drop by drop directly to the scalp, massaging in with fingertips. Keep it to AM or PM unless the packaging states otherwise, and give the rest of the routine a moment to settle before layering the next step. Give it a full bottle or box before judging the result, since most Korean routines are built for steady use rather than a single application.
Is the Rosemary PDRN Scalp Serum 20ml the same formula sold in Korea, or a US version?
This Rosemary PDRN Scalp Serum 20ml is the Korean-market formula, not a version reformulated for US shelves. It arrives with its original Korean-market barcode and batch code intact so the formula can be checked against the box on arrival.
Can I use the Rosemary PDRN Scalp Serum 20ml with other actives in my routine?
Yes, as long as it is used in its own step, a leave-in scalp step used a few times a week, and not layered on top of a product doing the same job. Introduce any new step gradually over the first week or two and keep an eye on how the skin responds before adding a second new active alongside it.
Who is the Rosemary PDRN Scalp Serum 20ml suited for?
It suits most skin types looking for leave-in scalp step used few times week rather than a single acute problem. It comes in a 20ml format. Anyone with a known sensitivity to a specific ingredient should check the full ingredient panel on this page before buying.
Not on the ingredient list below: essential oils, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (90): Water (Aqua), Alcohol Denat, C12-13 Alketh-9, Caffeine, Dipropylene Glycol, Hydrolyzed Sponge, Ammonium Acryloyldimethyltaurate/VP Copolymer, Menthol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Fragrance (Parfum), Allantoin, Aminomethyl Propanol, Disodium EDTA, Dipotassium Glycyrrhizate, Ethyl Menthane Carboxamide, Panthenol, Butylene Glycol, 1,2-Hexanediol, Arginine, Gluconolactone, Menthyl Lactate, Ricinus Communis (Castor) Seed Oil, Sodium DNA (100ppb), Glycerin, Glycolic Acid, Saccharide Isomerate, Raphanus Sativus (Radish) Seed Extract, Octyldodecyl Oleate, Octyldodecanol, Hydrolyzed Pea Protein, Hydrolyzed Vegetable Protein, Biotin, Niacinamide, Salicylic Acid, Caprylic/Capric Triglyceride, Hydrogenated Lecithin, Sparassis Crispa Extract, Streptococcus Thermophilus Ferment, Sodium Palmitoyl Sarcosinate, Magnolia Obovata Bark Extract, Hydrolyzed Collagen, Hydrolyzed Corn Protein, Hydrolyzed Extensin, Hydrolyzed Potato Protein, Hydrolyzed Rice Protein, Hydrolyzed Soy Protein, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Prunus Amygdalus Dulcis (Sweet Almond) Extract, Citric Acid, Sodium Citrate, Potassium Sorbate, Sodium Benzoate, Rosmarinus Officinalis (Rosemary) Leaf Extract (0.2ppb), Hydrolyzed Keratin, Caprylyl Glycol, sh-Oligopeptide-1, Alanine, Asparagine, Aspartic Acid, Dimethylsilanol Hyaluronate, Glucose, Glutamic Acid, Glutamine, Glycine, Histidine, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Isoleucine, Leucine, Lysine, Mentha Piperita (Peppermint) Leaf Extract, Methionine, Phenylalanine, Proline, Serine, sh-Polypeptide-2, sh-Polypeptide-1, sh-Polypeptide-11, sh-Polypeptide-22, sh-Polypeptide-3, sh-Polypeptide-9, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Threonine, Tryptophan, Tyrosine, Valine
Ingredient list read from stylekorean.com on 10 September 2026.
85 of 90 explained
- Water (Aqua) 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.
- Alcohol Denat solvent
- Alcohol Denat. is ethanol with a bitter additive that makes it undrinkable, which is a tax rule rather than a formulation choice. It behaves like alcohol: a fast-evaporating solvent that gives a weightless finish and can feel drying at higher levels.
- C12-13 Alketh-9 emulsifier
- C12-13 Alketh-9 is a solubiliser used to disperse oil-soluble ingredients evenly in a watery formula.
- Caffeine active
- Caffeine constricts small blood vessels near the surface, which is why eye products use it for the look of puffiness and shadow. It is water soluble and works only while it is on the skin.
- 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.
- Hydrolyzed Sponge active
- Hydrolyzed Sponge is processed freshwater sponge, which carries fine silica spicules. In a formula it works as a mild physical exfoliant.
- 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.
- Menthol active
- Menthol is the cooling compound in mint. It acts on the nerve receptor that also answers to cold, which is why skin feels cool without any change in temperature.
- 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.
- Fragrance (Parfum) fragrance
- Fragrance, or Parfum, is a single declaration standing for a whole scent blend, which can be dozens of materials. Regulators allow it as a trade secret, so a list showing only this word does not say what the scent is made of. It is the most common trigger named by people with reactive skin.
- Allantoin active
- Allantoin is a comfrey-derived compound used to condition skin and soften the outer layer so it feels smoother. It is one of the standard additions to a formula built for easily irritated skin.
- Aminomethyl Propanol pH adjuster
- Aminomethyl Propanol is an alkaline base used to raise pH and to neutralise acidic thickeners so they gel.
73 more explained
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Gluconolactone exfoliant
- Gluconolactone is a PHA, the gentlest exfoliant class. Its molecule is too large to penetrate quickly, so it smooths the surface without the sting of an AHA, and it is a humectant at the same time.
- Menthyl Lactate active
- Menthyl Lactate is a menthol derivative that gives a cooling sensation without menthol's sharpness or scent. It is a sensory ingredient rather than an active.
- Ricinus Communis (Castor) Seed Oil emollient
- Castor Oil is thick, glossy and unusually good at dissolving pigment, which is why it dominates lip and cleansing-balm formulas. It is a heavy emollient.
- Sodium DNA (100ppb) 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.
- 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.
- Glycolic Acid exfoliant
- Glycolic Acid is the smallest AHA, which is why it is also the most penetrating and the most likely to sting. It loosens the bonds between dead surface cells and is used for the look of dullness and rough texture.
- Saccharide Isomerate humectant
- A plant-sugar complex whose structure resembles the sugars already bound to the skin surface, so it stays through washing. It is used as a long-acting humectant.
- Raphanus Sativus (Radish) Seed Extract plant extract
- Radish seed extract. It is used as a conditioning plant extract, and radish-root ferment filtrate from the same plant is a common natural preservative.
- Octyldodecyl Oleate emollient
- A large branched ester with a rich, cushioned feel. It is used in balms and lip products and helps disperse pigments.
- Octyldodecanol emollient
- Octyldodecanol is a branched fatty alcohol used as an emollient and as a solvent for pigments and mineral powders. It thickens slightly and leaves a soft finish.
- Hydrolyzed Pea Protein protein
- Pea protein cut into small fragments so it dissolves in water. It is a plant protein used as a humectant and a light film former.
- Hydrolyzed Vegetable Protein protein
- Hydrolyzed Vegetable Protein is plant protein cut into water-soluble fragments. It forms a light conditioning film that holds water at the surface.
- Biotin vitamin
- Biotin is vitamin B7. In skincare it is a conditioning vitamin, most often in hair and scalp formulas.
- 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.
- Salicylic Acid exfoliant
- Salicylic Acid is a BHA, and the only common exfoliant that is oil soluble, so it can work inside a pore rather than only on the surface. It loosens the dead cells that block pores and is used for the look of congested, oily skin.
- Caprylic/Capric Triglyceride emollient
- Caprylic/Capric Triglyceride is the light fraction of coconut oil, with the heavy parts removed. It is the workhorse emollient of modern formulas: it softens skin, dissolves oil-soluble actives and absorbs without the greasy weight of a whole plant oil.
- 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.
- Sparassis Crispa Extract plant extract
- Cauliflower mushroom extract, one of the richest natural sources of beta-glucan. It hydrates and leaves a soft film.
- Streptococcus Thermophilus Ferment ferment
- Streptococcus Thermophilus Ferment is a yoghurt-culture ferment. It is used for its conditioning effect on the outer layer of skin.
- Sodium Palmitoyl Sarcosinate surfactant
- Sodium Palmitoyl Sarcosinate is an amino-acid-derived cleanser built on sarcosine. It foams well at skin-friendly pH, which is why Korean low-pH cleansers use it.
- Hydrolyzed Collagen protein
- Hydrolyzed Collagen is collagen broken into fragments small enough to dissolve in water. It cannot become collagen in skin; what it does is hold water at the surface and leave a smooth, conditioned film.
- Hydrolyzed Corn Protein protein
- Hydrolyzed Corn Protein is corn protein cut into small soluble pieces. On a label it usually sits with two or three other plant proteins, because each brings a different amino acid balance.
- Hydrolyzed Extensin protein
- Extensin is a structural glycoprotein from plant cell walls. Hydrolysed, it is cut into fragments small enough to dissolve, and it works as a water-holding film on the surface.
- Hydrolyzed Potato Protein protein
- Potato protein cut into small fragments. It is a plant protein used as a humectant and light film former.
- Hydrolyzed Rice Protein protein
- Hydrolyzed Rice Protein is rice protein broken into small fragments. It is a humectant and film former that leaves a soft, smooth finish.
- Hydrolyzed Soy Protein protein
- Hydrolyzed Soy Protein is soy protein cut into water-soluble fragments. It conditions the surface and holds water, and it is one of the most used plant proteins in cosmetics.
- Melaleuca Alternifolia (Tea Tree) Leaf Extract plant extract
- Tea Tree Leaf Extract is the water-based extract rather than the essential oil, so it is far milder and much less aromatic. It is used in formulas for blemish-prone skin.
- Citric Acid pH adjuster
- Citric Acid is used in tiny amounts to bring a formula to the pH its actives need, not as an exfoliant at that level. It is an AHA, so at much higher concentrations it can also exfoliate.
- Sodium Citrate pH adjuster
- Sodium Citrate is the salt of citric acid, used as a buffer: it holds a formula at a steady pH rather than pushing it in one direction. It is also a mild chelator.
- Potassium Sorbate preservative
- Potassium Sorbate is a preservative that holds off yeast and mould in acidic formulas. It is almost always used with sodium benzoate, because neither covers the whole range of microbes alone.
- Sodium Benzoate preservative
- Sodium Benzoate is a mild preservative that works only in acidic formulas. It is usually paired with potassium sorbate, and the pair is the standard choice where a brand wants no phenoxyethanol.
- Rosmarinus Officinalis (Rosemary) Leaf Extract (0.2ppb) 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.
- Hydrolyzed Keratin protein
- Hydrolyzed Keratin is keratin, the protein hair and nails are built from, cut into fragments small enough to dissolve. In a formula it is a humectant and a smoothing film former.
- 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.
- sh-Oligopeptide-1 peptide
- sh-Oligopeptide-1 is a peptide made by yeast fermentation rather than synthesis, which is what the sh prefix records. It is used for the look of firmness and skin recovery after irritation.
- Alanine amino acid
- Alanine is a free amino acid skin uses as part of its own moisture-holding system. In a formula it hydrates and conditions.
- Asparagine amino acid
- Asparagine is an amino acid used as a humectant and conditioner, almost always inside a wider amino acid blend rather than on its own.
- Aspartic Acid amino acid
- Aspartic Acid is an amino acid used as a humectant and buffer, usually within a wider amino acid blend.
- Dimethylsilanol Hyaluronate humectant
- Dimethylsilanol Hyaluronate is hyaluronic acid joined to a silicon-based group. It hydrates and leaves a smoother, silkier finish than hyaluronic acid alone.
- Glucose humectant
- Glucose is a simple sugar used as a humectant and as food for the ferment ingredients in the same formula. It hydrates mildly and adds a soft slip.
- Glutamic Acid amino acid
- Glutamic Acid is an amino acid used as a humectant and a mild pH adjuster. It is one of the components of skin's natural moisturising factor.
- Glutamine amino acid
- Glutamine is the most abundant free amino acid in the body. In a formula it hydrates and conditions, usually as part of an amino acid blend.
- Glycine amino acid
- Glycine is the smallest amino acid and one of the free amino acids skin holds to keep water in the outer layer. In a formula it is a humectant and a mild buffer.
- Histidine amino acid
- Histidine is an amino acid used as a humectant and a buffer, part of skin's own free amino acid pool.
- Hyaluronic Acid humectant
- Hyaluronic Acid is a sugar chain the body already makes, and one gram of it can hold several litres of water. In a formula it is a humectant that pulls water to the surface of skin and holds it in a film, which is what makes skin look plumper while it is there.
- Hydrolyzed Hyaluronic Acid humectant
- Hydrolyzed Hyaluronic Acid is hyaluronic acid cut into much shorter fragments. The smaller the fragment, the further into the outer layer it can settle, which is why serums stack several sizes together instead of using one.
- Hydroxypropyltrimonium Hyaluronate humectant
- Hydroxypropyltrimonium Hyaluronate carries a positive charge, and skin carries a slight negative one, so it is attracted to the surface and stays through rinsing. It is the hyaluronic used where a formula gets washed off.
- Isoleucine amino acid
- Isoleucine is an essential amino acid used as a conditioning humectant within an amino acid complex.
- Leucine amino acid
- Leucine is an essential amino acid used as a humectant, part of the amino acid block many Korean essences carry.
- Lysine amino acid
- Lysine is an essential amino acid used as a conditioning humectant in an amino acid complex.
- 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.
- Methionine amino acid
- Methionine is a sulphur-bearing essential amino acid used as a humectant and mild antioxidant.
- Phenylalanine amino acid
- Phenylalanine is an essential amino acid used in skincare as a conditioning humectant.
- Proline amino acid
- Proline is an amino acid abundant in collagen and one of skin's own humectants. Added to a formula it holds water in the outer layer.
- Serine amino acid
- Serine is one of the most abundant free amino acids in the outer layer of skin, where it helps hold water. Added to a formula it is a humectant.
- sh-Polypeptide-1 peptide
- sh-Polypeptide-1 is a longer fermentation-produced peptide. It is used in formulas built around the look of resilience and recovery.
- sh-Polypeptide-11 peptide
- sh-Polypeptide-11 is a fermentation-produced peptide. Korean formulas use the sh family in blends built around the look of resilience and recovery.
- sh-Polypeptide-22 peptide
- sh-Polypeptide-22 is another fermentation-produced peptide of the sh family, used in multi-peptide serums rather than on its own.
- sh-Polypeptide-3 peptide
- sh-Polypeptide-3 is a peptide made by fermentation rather than by chemical synthesis, which is what the sh prefix records. Polypeptide means a longer chain than a tri or hexapeptide.
- sh-Polypeptide-9 peptide
- sh-Polypeptide-9 is another fermentation-produced peptide used for the look of firmness, usually as part of a blend.
- Sodium Acetylated Hyaluronate humectant
- Sodium Acetylated Hyaluronate is hyaluronic acid modified to be part oil-loving, so it clings to skin instead of rinsing away. Formulators call it the one that stays put.
- 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.
- Sodium Hyaluronate Crosspolymer humectant
- Sodium Hyaluronate Crosspolymer is hyaluronic acid linked into a mesh. It holds water in a soft gel on the surface rather than sinking in, and it releases that water slowly through the day.
- Threonine amino acid
- Threonine is an essential amino acid used in skincare as a humectant, normally as part of an amino acid complex rather than alone.
- Tryptophan amino acid
- Tryptophan is an essential amino acid. On a label it is usually one of a set of amino acids added together as a conditioning, water-holding blend.
- Tyrosine amino acid
- Tyrosine is an amino acid used as a conditioning humectant in amino acid complexes.
- Valine amino acid
- Valine is an essential amino acid used as a humectant alongside the rest of an amino acid block.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8800289461972
- Made in
- Republic of Korea
- Volume
- 20 ml
- Category
- Serum & Ampoule
- Actives
- Allantoin, Caffeine, Collagen, Glycolic Acid, Hyaluronic Acid, Licorice Root, Niacinamide, Panthenol, PDRN (Sodium DNA), Peptides, Salicylic Acid, Sodium Hyaluronate, Tea Tree
- 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.
Inside the formula
Inside the formula
Worth knowing
- Patch test on the inner arm before the first full-face application, especially on skin that reacts easily to new products.
- Stop use and rinse off if stinging, burning, or new redness shows up rather than pushing through discomfort.
Complete the routine
- This itemMedicube Rosemary PDRN Scalp Serum 20ml$40.00
- Prep after cleansing, before the treatment stepmedicube Triple Collagen Toner 4.0 140ml$31.00
- Seal the routine in as the last stepmedicube Zero Pore Cream 2.0 50ml$30.00
Total for 3 items$101.00
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medicube Rosemary PDRN Scalp Serum 20ml
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
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Medicube, Korean-market original
Medicube's Korean-market scalp serum led by Caffeine, the same formula sold in Korea.
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.
Medicube prints a QR code on the inner box. Scan it with your phone camera and it resolves to the brand’s own verification site.
Verify on medicubeverify.com →Source: Medicube packaging and verification site
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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