What is Kojic Acid Turmeric Purifying Gel Cleanser 500ml?

It is Medicube's Korean-market cleanser, sold here in the same formula the brand sells in Korea rather than in a version reformulated for the US shelf. It is meant to be used as the cleansing step of a routine.

How do I use the Kojic Acid Turmeric Purifying Gel Cleanser 500ml?

Use this cleanser as the cleansing step of a routine. To apply, massage over damp skin, working into a lather if needed, and rinse thoroughly. Keep it to AM/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 Kojic Acid Turmeric Purifying Gel Cleanser 500ml the same formula sold in Korea, or a US version?

This Kojic Acid Turmeric Purifying Gel Cleanser 500ml 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 Kojic Acid Turmeric Purifying Gel Cleanser 500ml with other actives in my routine?

Yes, as long as it is used in its own step, the cleansing step of a routine, 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.

Medicube

Kojic Acid Turmeric Purifying Gel Cleanser 500ml

Name: Medicube Kojic Acid Turmeric Purifying Gel Cleanser 500ml
Brand: Medicube
SKU: medicube2713
Price: 62.5 USD
Availability: InStock

Medicube Kojic Acid Turmeric Purifying Gel Cleanser 500ml is a Korean-market cleanser, formulated in Korea and sourced for the Korean market rather than reformulated for the US shelf.

Reviewed by Nurcan Saglam, licensed dermo-cosmetic expert (Paris)

No reviews yet

$62.50

500 ml

$12.50 per 100 ml

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

Suited to: normal skincombination skindry skin

Helps with: uneven tone and dullnessgeneral day-to-day maintenance as part of a full routinea routine that wants a Korean-market step in this category

One-time purchase

$62.50

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$56.25

In stock. Arrives in 3 to 7 business days

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How it works

Medicube Kojic Acid Turmeric Purifying Gel Cleanser 500ml is a cleanser built for the cleansing step of a routine. The brand builds this format the way most Korean cleanser lines are built, with a texture and finish tuned to how the product is actually used rather than to a single headline ingredient. The size and packaging are set up for AM/PM use, so the format is meant to sit inside a routine rather than stand alone. Placed as the cleansing step of a routine, it is meant to be used AM/PM rather than swapped freely between steps. Because this is the Korean-market version of the Kojic Acid Turmeric Purifying Gel Cleanser 500ml line rather than a US-reformulated variant, the texture and finish match what Medicube sells through Korean retail.

Key benefits

Formulated as a cleanser for the cleansing step of a routine.
The Korean-market Medicube formula for Kojic Acid Turmeric Purifying Gel Cleanser 500ml, 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.
Comes in a 500ml format sized for AM/PM use.
Part of Medicube's own line rather than a third-party or private-label copy of it.

How to use

Use this cleanser as the cleansing step of a routine. To apply, massage over damp skin, working into a lather if needed, and rinse thoroughly. Keep it to AM/PM unless the packaging states otherwise, and give the rest of the routine a moment to settle before layering the next step.

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42 of 42 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.
Sodium C14-16 Olefin Sulfonate surfactant: A strong anionic surfactant that foams heavily. It is a sulfate alternative in name but not in strength, and it is more common in shampoos than in facial cleansers.
Lauryl Betaine surfactant: Lauryl Betaine is a secondary surfactant that boosts foam and thickens a cleanser while reducing how stripping the main surfactant feels.
Acrylates Copolymer film former: Acrylates Copolymer is a synthetic polymer that forms a film as the water leaves. It holds a formula in place, controls shine and helps a texture stay put.
Sodium Chloride thickener: Sodium Chloride is salt. In a cleanser it thickens the liquid; in a mask or essence it balances the mineral content of the water phase. It has no active role.
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.
Hydroxyacetophenone preservative booster: Hydroxyacetophenone is an antioxidant that also strengthens a preservative system, so a formula needs less traditional preservative. Korean formulas pair it with 1,2-hexanediol constantly.
Sodium Hydroxide pH adjuster: Sodium Hydroxide is a strong base used in traces to bring an acidic formula up to skin-friendly pH. None of it remains as itself once the formula is neutralised.
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.
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.
Polyquaternium-67 film former: Polyquaternium-67 is a positively charged polymer that clings to skin and hair, leaving a conditioning film that survives rinsing.

30 more explained

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.
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.
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.
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.
Kojic Acid active: Kojic Acid comes from the fermentation of rice by Aspergillus, the mould used to make sake. It is used in formulas addressed to the look of uneven tone, and it darkens in air.
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.
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.
Malt Extract plant extract: Malt Extract comes from sprouted barley and carries sugars, amino acids and B vitamins. It is used as a conditioning, hydrating extract.
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.
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.
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.
Ascorbic Acid antioxidant: Ascorbic Acid is pure vitamin C, the most researched form and also the least stable: it needs a low pH and airtight packaging to stay active. It is an antioxidant used for the look of dullness and uneven tone.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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 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.
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.
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.
Potassium Hyaluronate humectant: Potassium Hyaluronate is another salt of hyaluronic acid, used for the same reason as the sodium form: it dissolves easily and holds a large amount of water in the outer layer of skin.
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.

Inside the formula

Ingredients declared

No fragrance

on the list

Worth knowing

Introduce it two to three nights a week at first and watch how the skin responds before moving to nightly use.
Pair it with a daily sunscreen step, since brightening and exfoliating actives can make skin more reactive to sun exposure.

Complete the routine

This itemMedicube Kojic Acid Turmeric Purifying Gel Cleanser 500ml$62.50
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$123.50

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Medicube, Korean-market original

Medicube Kojic Acid Turmeric Purifying Gel Cleanser 500ml: the Korean-market cleanser formula.

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 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