Real Barrier
PDRN Glow Repair Serum 30ml
Real Barrier PDRN Glow Repair Serum 30ml is a serum that names Sodium DNA on its own ingredient panel, sourced as the Korean-market formula.
No reviews yet30 ml
$133.33 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- dull, uneven-tone skindry, dehydrated skinskin looking to layer a targeted step under moisturizer
- Helps with
- dullness and an uneven-looking tonedehydration sitting under a moisturizer that cannot fix it alonea lack of bounce in tired-looking skin
In stock. Arrives in 3 to 7 business days
We accept
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- 30-day returns
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- Tracked delivery to your door
How it works
Sodium DNA is named on the ingredient panel on this serum. 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. On this panel it sits alongside Niacinamide, Curcuma Longa (turmeric) Root Extract and Rosa Damascena Flower Water. 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.
Key benefits
- Sodium DNA named on this product's own ingredient panel
- Niacinamide on the same panel, the formula's active
- Curcuma Longa (turmeric) Root Extract on the same panel, the formula's plant extract
- 30 ml to a unit
- Korean GS1 barcode matched against a Korea sourcing supplier's record for this item
Inside the formula
Inside the formula
Where does Real Barrier PDRN Glow Repair Serum 30ml go in my routine?
Apply it after cleansing and toning and before moisturizer, since a serum's concentrated formula works best on freshly prepped skin rather than layered over a heavy cream. A few drops are usually enough for the whole face; pat rather than rub it in. Follow with moisturizer to seal in what the serum just delivered.
Can I use Real Barrier PDRN Glow Repair Serum 30ml with other actives, like a retinoid or another exfoliating acid?
It generally layers fine with most other actives, but introduce anything new gradually rather than adding several new steps to a routine at once. If you are already using a strong exfoliating acid or a prescription retinoid or a strong acid exfoliant, alternate nights rather than stacking everything at once until you know how skin responds. When in doubt, patch test the combination on a small area first.
How many drops of Real Barrier PDRN Glow Repair Serum 30ml should I use?
Two to three drops or a single pump is enough for the whole face for most people; more product does not mean faster results, just more runoff. Pat it into skin in sections rather than dragging it across the face. Extra can go onto the neck and décolletage if there is enough left over.
Is Real Barrier PDRN Glow Repair Serum 30ml suitable for daily use?
Yes, this is formulated for regular AM and/or PM use as a standard routine step rather than an occasional treatment. New users can start once daily and build up to twice if skin tolerates it well. Consistency over weeks, not a single application, is what a serum like this is built to reward.
Is Real Barrier PDRN Glow Repair Serum 30ml the authentic Korean-market formula?
Yes, this is the same serum Real Barrier sells through Korean retail, sourced specifically for Korean Pharmacy's US catalog rather than reformulated for a US shelf. It carries its original Korean-market batch coding intact. That is the version this brand's reputation is actually built on.
Not on the ingredient list below: fragrance or parfum, denatured or SD alcohol, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (38): Water, Butylene Glycol, Propanediol, Glycerin, 1,2-Hexanediol, Glycereth-26, Niacinamide, Methyl Gluceth-20, Methylpropanediol, Curcuma Longa (turmeric) Root Extract, Sodium Hyaluronate, Rosa Damascena Flower Water, Rosa Damascena Flower Oil, Sodium Polyacryloyldimethyl Taurate, Lactobacillus Ferment, Ethylhexylglycerin, Adenosine, Disodium EDTA, Glyceryl Polymethacrylate, Cyanocobalamin, Sodium DNA, Glutathione, Myristoyl/Palmitoyl Oxostearamide/Arachamide MEA, Bis-Capryloyloxypalmitamido Isopropanol, Ceramide Np, Pentylene Glycol, Caprylic/Capric Triglyceride, Mannitol, Beta-Sitosterol, Lactobacillus Extracellular Vesicles, Phytosterols, Glycine Soja (soybean) Sterols, Linoleic Acid, Phospholipids, Glycine, Glutamic Acid, Arginine, Dihydroxyisopropyl Palmoylpalmamide
Ingredient list read from myrealbarrier.co.kr on 30 August 2026.
34 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.
- 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.
- 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.
- 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.
- 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.
- Glycereth-26 humectant
- Glycereth-26 is a modified glycerin that hydrates with far less stickiness than glycerin itself. It is a common way to load water into a formula that has to stay light.
- 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.
- Methyl Gluceth-20 humectant
- Methyl Gluceth-20 is a sugar-derived humectant. It holds water in the outer layer of skin and gives a smooth, cushioned slip that plain glycerin does not.
- 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.
- Curcuma Longa (turmeric) Root Extract plant extract
- Turmeric Root Extract carries curcuminoids, well studied plant antioxidants. It is used for the look of dullness and uneven tone, and it tints a formula faintly yellow.
- 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.
- 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.
22 more explained
- Rosa Damascena Flower Oil fragrance component
- Rosa Damascena Flower Oil is rose essential oil, one of the most expensive materials in perfumery. It scents a formula, and like every essential oil it is a class reactive skin often does not tolerate.
- Sodium Polyacryloyldimethyl Taurate thickener
- Sodium Polyacryloyldimethyl Taurate is a polymer thickener that holds a gel stable even with a lot of salt or acid in the formula.
- Lactobacillus Ferment ferment
- Lactobacillus Ferment is the liquid left after lactobacillus bacteria have fermented a plant or milk substrate. It carries the small molecules the fermentation produced, including lactic acid and amino acids, and is used for the look of dull, uneven skin.
- 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.
- Glyceryl Polymethacrylate film former
- Glyceryl Polymethacrylate is a polymer that forms a smooth, water-holding film and gives a formula a cushioned, non-sticky feel.
- Cyanocobalamin vitamin
- Cyanocobalamin is vitamin B12, and it is a deep pink-red, which is why a formula carrying it often has a colour nobody added on purpose. It is used as a conditioning vitamin.
- 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.
- Glutathione antioxidant
- Glutathione is a small peptide the body uses as one of its main antioxidants. In skincare it is used as an antioxidant and for the look of dullness; it is unstable in water, so formulas that carry it are usually built around protecting it.
- 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.
- 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.
- 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.
- 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.
- Beta-Sitosterol 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.
- Lactobacillus Extracellular Vesicles ferment
- Lactobacillus Extracellular Vesicles are the tiny membrane-bound packets bacteria release. They are a recent Korean formulation ingredient used as a conditioning ferment component.
- Glycine Soja (soybean) Sterols emollient
- The sterol fraction of soybean oil. Plant sterols are structurally close to the cholesterol in skin's own lipid layer, so they soften and help the oil phase hold together.
- 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.
- Phospholipids barrier lipid
- Phospholipids are the lipid class lecithin belongs to, with a water friendly head and two fatty tails. That shape is what lets them form liposomes and hold an emulsion together.
- 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.
- 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.
- 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.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809911695358
- Made in
- Republic of Korea
- Volume
- 30 ml
- Category
- Serum & Ampoule
- Actives
- Adenosine, Ceramide NP, Glutathione, Niacinamide, PDRN (Sodium DNA), Sodium Hyaluronate
- 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 to use
- Apply a few drops of Real Barrier PDRN Glow Repair Serum 30ml to cleansed, toned skin, pat in until absorbed, then follow with moisturizer.
Worth knowing
- Skin that is actively broken out or irritated does best starting this once daily before moving to twice.
- Anyone using a prescription retinoid or a strong acid exfoliant elsewhere in their routine should introduce this alongside it gradually.
- Pregnant or breastfeeding shoppers should run any new skincare step past their own physician before adding it.
Complete the routine
- This itemReal Barrier PDRN Glow Repair Serum 30ml$40.00

- The treatment step of this routineReal Barrier Aqua Soothing Ampoule 30ml$37.50

- Seal the routine in as the last stepRealbarrier Extreme Cream$28.23

Total for 3 items$105.73
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Real Barrier PDRN Glow Repair Serum 30ml
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Real Barrier, Korean-market original
Real Barrier PDRN Glow Repair Serum 30ml: the authentic Korean-market serum, with Korean-market batch coding intact.
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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