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Snail Sleeping Hair Ampoule 20ml$7.50Deoxyribose Scalp Serum
Medicube Deoxyribose Scalp Serum is a Korean-market scalp serum built around Melaleuca Alternifolia (Tea Tree) Leaf Oil, formulated in Korea and sold here in its original Korean-market formula rather than a US-shelf reformulation.
No reviews yet$15.99
20ml
$8.00 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
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Key benefits
- Built around Melaleuca Alternifolia (Tea Tree) Leaf Oil, positioned for clarity.
- Built around Rosmarinus Officinalis (Rosemary) Leaf Oil, positioned for scalp comfort.
- Built around Niacinamide, positioned for tone and texture.
- Formulated as a scalp serum for a leave-in scalp step used a few times a week.
- The Korean-market Medicube formula for Deoxyribose Scalp Serum, matching what Medicube sells in Korea rather than a US-reformulated line.
- Arrives with its original Korean-market barcode and batch code intact for authenticity checks against the box.
Key actives
11Melaleuca Alternifolia (Tea Tree) Leaf OilClarity
Melaleuca Alternifolia (Tea Tree) Leaf Oil sits in the middle stretch of the ingredient list, a supporting rather than a headline role. It is an ingredient chosen for clarity: a botanical long used in blemish-prone routines for its fresh, clean feel on the skin's surface.
13Rosmarinus Officinalis (Rosemary) Leaf OilScalp comfort
Rosmarinus Officinalis (Rosemary) Leaf Oil sits in the middle stretch of the ingredient list, a supporting rather than a headline role. It is an ingredient chosen for scalp comfort: a botanical extract with a long folk reputation for scalp health, included here to support a calmer, more comfortable-feeling scalp.
28NiacinamideTone and texture
Niacinamide sits further down the ingredient list, in a supporting, lower-weighted role. It is an ingredient chosen for tone and texture: a form of vitamin B3 that supports a more even-looking tone and a smoother surface texture with regular use, and layers comfortably under most other actives.
32Hexapeptide-2Firming look
Hexapeptide-2 sits further down the ingredient list, in a supporting, lower-weighted role. It is an ingredient chosen for firming look: a signal peptide included for its reputation supporting the look of firmer, more resilient skin over consistent use.
38CaffeineDe-puffing look
Caffeine sits further down the ingredient list, in a supporting, lower-weighted role. It is an ingredient chosen for de-puffing look: an ingredient chosen for its cooling, tightening feel on the skin's surface, most often used around the eye area for a fresher-looking finish.
Inside the formula
Inside the formula
39
Ingredients declared
No fragrance
on the list
11Melaleuca Alternifolia28Niacinamide32Hexapeptide-238Caffeine
- 11Melaleuca Alternifolia
- 28Niacinamide
- 32Hexapeptide-2
- 38Caffeine
Where each key active sits on the declared ingredient list, by entry number. Position is proportion: the further forward, the larger its share.
Medicube Deoxyribose Scalp Serum
What does the Deoxyribose Scalp Serum actually contain?
Its ingredient list is led by Melaleuca Alternifolia (Tea Tree) Leaf Oil, 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 Deoxyribose Scalp Serum?
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 Deoxyribose Scalp Serum the same formula sold in Korea, or a US version?
This Deoxyribose Scalp Serum 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 Deoxyribose Scalp Serum 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 Deoxyribose Scalp Serum 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.
Contains alcohol denat.Contains essential oils
Not on the ingredient list below: fragrance or parfum, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (39): Water, Alcohol Denat, Deoxyribose (2%), C12-14 Alketh-12, Butylene Glycol, Glycine Soja (Soybean) Germ Extract, Lavandula Hybrida Oil, Mentha Arvensis Leaf Oil, Citrus Aurantium Dulcis (Orange) Peel Oil, Helianthus Annuus (Sunflower) Seed Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Juniperus Mexicana Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, Juniperus Communis Fruit Oil, Eucalyptus Globulus Leaf Oil, Lepidium Meyenii Root Extract, Acorus Calamus Root Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Pentylene Glycol, Silica, 1,2-Hexanediol, Inulin, Tromethamine, Sodium Phytate, Ethylhexylglycerin, Citric Acid, Tocopherol, Niacinamide, Sodium Citrate, Maltodextrin, Glycerin, Hexapeptide-2, Biotin, Copper Tripeptide-1, SH-Oligopeptide-1, Acetyl Hexapeptide-8, Carbomer, Caffeine, Menthol
Ingredient list read from incidecoder.com on 30 August 2026.
38 of 39 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.
- 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.
- C12-14 Alketh-12 emulsifier
- C12-14 Alketh-12 is a solubiliser used to keep oils and fragrance dissolved in a water-based formula.
- 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.
- Glycine Soja (Soybean) Germ Extract plant extract
- Soybean germ extract, from the embryo of the bean. It carries isoflavones and peptides and is used as a conditioning extract.
- Lavandula Hybrida Oil fragrance
- Lavandin oil, from the hybrid lavender grown for perfumery. It is sharper and more camphorous than true lavender.
- Mentha Arvensis Leaf Oil fragrance
- Cornmint oil, the main commercial source of menthol. It smells and feels close to peppermint.
- Citrus Aurantium Dulcis (Orange) Peel Oil fragrance component
- Sweet Orange Peel Oil is a citrus essential oil carrying limonene. It scents a formula, and limonene is one of the components EU labelling names separately.
- 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.
- Melaleuca Alternifolia (Tea Tree) Leaf Oil fragrance component
- Tea Tree Leaf Oil is an essential oil from an Australian shrub, carrying terpinen-4-ol. Korean formulas use it in products aimed at blemish-prone skin; it is potent, aromatic, and one of the essential oils most likely to bother reactive skin.
- Juniperus Mexicana Oil fragrance
- Texas cedarwood oil, used for a dry woody note. It is an aromatic ingredient rather than a functional one.
- Rosmarinus Officinalis (Rosemary) Leaf Oil fragrance component
- Rosemary Leaf Oil is an essential oil carrying camphor and cineole. It scents a formula and is a stronger aromatic than most.
26 more explained
- Juniperus Communis Fruit Oil fragrance component
- Juniper berry oil, an essential oil with a resinous, gin-like scent. It is used to perfume a formula.
- Eucalyptus Globulus Leaf Oil fragrance component
- Eucalyptus Leaf Oil is an essential oil carrying eucalyptol. It scents a formula sharply and gives a cooling sensation.
- Lepidium Meyenii Root Extract plant extract
- Maca root extract, from a high-altitude Andean root. It carries sugars, amino acids and sterols and is used as a conditioning extract.
- Acorus Calamus Root Extract plant extract
- Sweet flag root extract, an aromatic wetland rhizome long used in Korean herbal practice. It is a conditioning plant extract.
- 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.
- 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.
- 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.
- 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.
- Inulin polysaccharide
- Inulin is a plant fructan, most often from chicory root. It holds water and, in a formula, feeds the beneficial bacteria on the surface.
- Tromethamine pH adjuster
- Tromethamine neutralises acidic thickeners such as carbomer so they gel, and holds a formula near skin-friendly pH. It is used at a fraction of a percent.
- Sodium Phytate chelator
- Sodium Phytate is a rice-derived chelator used in place of EDTA. It ties up trace metals so the formula stays stable and its colour and scent hold.
- 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.
- 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.
- 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.
- 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.
- 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.
- Maltodextrin film former
- Maltodextrin is a starch-derived sugar chain used to carry powdered extracts and to form a light film. It also gives a soft, smoothing feel.
- 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.
- Hexapeptide-2 peptide
- Hexapeptide-2 is a six-amino-acid peptide used for the look of even tone rather than of lines, which puts it in the smaller group of peptides aimed at pigment.
- Biotin vitamin
- Biotin is vitamin B7. In skincare it is a conditioning vitamin, most often in hair and scalp formulas.
- Copper Tripeptide-1 peptide
- Copper Tripeptide-1 is three amino acids bound to a copper ion, and the classic firming peptide in cosmetic chemistry. It is blue in solution, which is often why a serum carrying it is tinted, and it is used for the look of firmness and fine lines.
- 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.
- Acetyl Hexapeptide-8 peptide
- Acetyl Hexapeptide-8 is a six-amino-acid peptide used for the look of expression lines, particularly around the eyes. It is the peptide sold under the name Argireline and is water soluble and stable.
- 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.
- 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.
- 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.
- Market
- Korean market, the version sold in Korea
- Made in
- Republic of Korea
- Volume
- 20ml
- Category
- Hair
- Actives
- Caffeine, Niacinamide, Peptides, 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.
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
Medicube Deoxyribose Scalp Serum is a scalp serum built for a leave-in scalp step used a few times a week. Its ingredient list leads with Melaleuca Alternifolia (Tea Tree) Leaf Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, and Niacinamide, 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. Melaleuca Alternifolia (Tea Tree) Leaf Oil does the most work here as a clarity, 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 Deoxyribose Scalp Serum line rather than a US-reformulated variant, the texture and finish match what Medicube sells through Korean retail.
How to use
- Use it at night on a dry scalp, parting the hair in sections so the nozzle reaches skin rather than hair.
- A few drops per section, worked in with the fingertips for a moment, then left in.
- It goes on a dry head rather than a wet one, and nothing needs to go over it.
- Nightly or every other night. Do not rinse it out, and do not use it in place of washing the scalp.
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.
Reviews
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Medicube Deoxyribose Scalp Serum
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
Medicube, Korean-market original
Medicube's Korean-market scalp serum led by Melaleuca Alternifolia (Tea Tree) Leaf Oil, 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 the key actives in this formula, quoted from the medical sources linked beside each.
If you increase blood flow to the scalp, you give your hair the nutrients it needs to shed less, grow more and just be a bit healthier.
Shilpi Khetarpal, MDDermatologist, Cleveland Clinic I think it's fair to say I've seen lots of patients use tea tree oil for a variety of skin issues. It's a natural remedy that is known to help.
Simon Hodes, MB ChBFamily physician, Cleveland Clinic
1 more professional perspective
Niacinamide helps reduce the appearance of pores in a few ways. By strengthening the skin barrier and improving elasticity, pores appear less noticeable and more even.
Ashlyn YankeAesthetician, Cleveland Clinic
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