Medicube
Zero Foam Cleanser$14.11Dr.Althea
Premium Quick Step Sebum Cleanser
Dr.Althea Premium Quick Step Sebum Cleanser is a 100ml gel cleanser with Dipotassium Glycyrrhizate, used as your first step, morning and evening, on skin wet with lukewarm water.
No reviews yet100ml
$13.99 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- NormalCombinationOily
- Helps with
- A daily cleansing stepMorning and evening cleansingRemoving the day's buildup without a separate first cleanse
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Medicube Zero Foam CleanserMedicube
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How it works
The Premium Quick Step Sebum Cleanser is a 100ml gel cleanser, used as your first step, morning and evening, on skin wet with lukewarm water. The active it is built around is Dipotassium Glycyrrhizate, named twenty-eighth on its own ingredient list. The same list carries Arctium Lappa Root Extract, Salix Alba (Willow) Bark Extract and Schisandra Chinensis Fruit Extract, so the active is not the only thing on it worth naming. How much of the Dipotassium Glycyrrhizate stays on the skin, and for how long, is decided by the gel cleanser format rather than by the list alone. Dr.Althea sells this Dipotassium Glycyrrhizate gel cleanser in Korea, and this is that version.
Key benefits
- Dipotassium Glycyrrhizate, the active this gel cleanser is built around
- Arctium Lappa Root Extract, Salix Alba (Willow) Bark Extract, Schisandra Chinensis Fruit Extract and Hamamelis Virginiana (Witch Hazel) Extract on the same list, plant extracts
- Mentha Piperita (Peppermint) Leaf Extract and Illicium Verum (Anise) Fruit Extract further down the same list
- Scutellaria Baicalensis Root Extract and Ascophyllum Nodosum Extract further down the same list
- Dipotassium Glycyrrhizate named twenty-eighth on the manufacturer list printed on this page
Inside the formula
Inside the formula
Dr. Althea Premium Quick Step Sebum Cleanser
Where does this gel cleanser go in my routine?
As your first step, morning and evening, on skin wet with lukewarm water. Nothing goes under it: this gel cleanser is the step everything else in the routine lands on top of. 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 Dipotassium Glycyrrhizate and not three changes at once.
What else is on the list besides Dipotassium Glycyrrhizate?
Arctium Lappa Root Extract, Salix Alba (Willow) Bark Extract and Schisandra Chinensis Fruit Extract. The order they are printed in on this gel cleanser's panel is the order on the box, so you can see where Dipotassium Glycyrrhizate sits relative to them. Further down the same panel: Hamamelis Virginiana (Witch Hazel) Extract, Mentha Piperita (Peppermint) Leaf Extract and Illicium Verum (Anise) Fruit Extract.
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 (37): Water/Aqua, Glycerin, 1,2-Hexanediol, Butylene Glycol, Phenoxyethanol, Arctium Lappa Root Extract, Chrysanthemum Sinense Flower Extract, Codonopsis Lanceolata Root Extract, Hovenia Dulcis Fruit Extract, Magnolia Kobus Branch/Flower/Leaf Extract, Salix Alba (Willow) Bark Extract, Schisandra Chinensis Fruit Extract, Hamamelis Virginiana (Witch Hazel) Extract, Polyglyceryl-10 Isostearate, Hydrogenated Lecithin, PEG-40 Hydrogenated Castor Oil, Potassium Hydroxide, Polyglyceryl-10 Oleate, Mentha Piperita (Peppermint) Extract, Phytosterols, Illicium Verum (Anise) Fruit Extract, Eucalyptus Globulus Leaf Oil, Sodium Gluconate, Mentha Piperita (Peppermint) Oil, Panthenol, Scutellaria Baicalensis Root Extract, Ascophyllum Nodosum Extract, Dipotassium Glycyrrhizate, Epilobium Angustifolium Flower/Leaf/Stem Extract, Portulaca Oleracea Extract, Phaseolus Radiatus Seed Extract, Enteromorpha Compressa Extract, Gelidium Cartilagineum Extract, Undaria Pinnatifida Extract, Laminaria Japonica Extract, Adansonia Digitata Pulp Extract, Saussurea Involucrata Extract
Ingredient list read from inkeedecoder.com on 19 August 2026.
31 of 37 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.
- 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.
- 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.
- Phenoxyethanol preservative
- Phenoxyethanol is the most widely used cosmetic preservative outside the paraben family. It keeps a water-containing formula from growing bacteria and mould, and is capped at one percent in most markets, so it always sits low on a list.
- Arctium Lappa Root Extract plant extract
- Burdock root extract, the ueong eaten in Korea. It carries inulin and polyphenols and is used as a conditioning extract.
- Salix Alba (Willow) Bark Extract plant extract
- Willow Bark Extract carries salicin, the plant compound salicylic acid is related to. The two are not interchangeable: willow bark is a mild clarifying extract, not a BHA exfoliant at the levels used in cosmetics.
- Schisandra Chinensis Fruit Extract plant extract
- Omija, the five-flavour berry of Korean tea and herbal practice. Its extract carries lignans and fruit acids and is used as an antioxidant conditioning extract.
- Hamamelis Virginiana (Witch Hazel) Extract plant extract
- Witch hazel extract, the classic astringent plant. Its tannins bind to surface proteins, which is the tightening feel a toner built on it gives.
- Polyglyceryl-10 Isostearate emulsifier
- A ten-unit polyglycerin ester, very water-loving, used as a mild emulsifier and solubiliser in place of a PEG.
- 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.
- PEG-40 Hydrogenated Castor Oil emulsifier
- PEG-40 Hydrogenated Castor Oil is the most used solubiliser in clear toners and micellar waters. It holds small amounts of oil and fragrance in solution without turning the formula cloudy.
19 more explained
- Potassium Hydroxide pH adjuster
- Potassium Hydroxide is a strong base used in traces to raise a formula to its target pH. In a soap-style cleanser it also converts fatty acids into the surfactant that does the cleansing.
- Polyglyceryl-10 Oleate emulsifier
- Polyglyceryl-10 Oleate is a mild sugar-derived emulsifier and solubiliser used where a formula must stay clear.
- Mentha Piperita (Peppermint) 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.
- Phytosterols 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.
- Illicium Verum (Anise) Fruit Extract plant extract
- Star Anise Fruit Extract carries aromatic plant compounds. It is used as a conditioning extract and contributes scent.
- 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.
- Sodium Gluconate chelator
- The sodium salt of gluconic acid, used to tie up trace metals so a formula stays stable. It is one of the gentler chelators.
- Mentha Piperita (Peppermint) Oil fragrance
- Peppermint essential oil. Its menthol content is what produces the cool feeling, and it is a commonly declared fragrance material.
- 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.
- Scutellaria Baicalensis Root Extract plant extract
- Scutellaria Baicalensis is Chinese skullcap. Its root extract carries baicalin, a well studied plant antioxidant, and it is used for the look of redness.
- Ascophyllum Nodosum Extract plant extract
- Knotted wrack, a brown Atlantic seaweed. Its extract carries alginates and polyphenols and is used as a hydrating marine extract.
- 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.
- Epilobium Angustifolium Flower/Leaf/Stem Extract plant extract
- Fireweed extract, taken from the whole plant above ground. It carries oenothein and tannins and is used for the look of reddened skin.
- Portulaca Oleracea Extract plant extract
- Portulaca Oleracea is purslane. Its extract is unusually high in omega-3 fatty acids and antioxidants for a plant, and Korean formulas use it for the look of reddened, reactive skin.
- Phaseolus Radiatus Seed Extract plant extract
- Mung bean seed extract, the nokdu of Korean cleansing powders. It carries starches, proteins and saponins and is used as a conditioning, mildly cleansing extract.
- Enteromorpha Compressa Extract plant extract
- Green laver, the parae of Korean cooking. Its extract is a mineral-rich, hydrating seaweed ingredient.
- Gelidium Cartilagineum Extract plant extract
- A red seaweed extract from the genus agar is made from. It thickens and hydrates and leaves a cushioned film.
- Undaria Pinnatifida Extract plant extract
- Extract of the brown seaweed Korean cooking calls miyeok. It carries fucoidan and alginates, both strong water-holding polysaccharides.
- Laminaria Japonica Extract plant extract
- Laminaria Japonica is kombu kelp. Its extract carries alginates, minerals and iodine, and it is used as a hydrating, mineral-rich ingredient.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809447253756
- Made in
- Republic of Korea
- Volume
- 100ml
- Category
- Cleanser
- Actives
- Licorice Root, Panthenol
- 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
- Use the Premium Quick Step Sebum Cleanser as your first step, morning and evening, on skin wet with lukewarm water.
- A coin-sized amount, worked between wet palms for twenty to thirty seconds, then massaged over the face in small circles.
- Rinse and tone while skin is still damp. Everything after this lands on bare skin, so it decides what the rest of the routine is working with.
- Twice a day, every day. Do not stretch the massage past a minute or finish with hot water; both leave the surface feeling tight rather than clean.
Worth knowing
- Patch test on the inner arm first, as with any new step added to a routine.
- Discontinue if irritation develops and check the ingredient list against any known sensitivity.
Reviews
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Dr. Althea Premium Quick Step Sebum Cleanser
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Dr.Althea, Korean-market original
The Original Korean Formula gel cleanser from Dr.Althea, 100ml formulated with Dipotassium Glycyrrhizate and Arctium Lappa Root Extract, shipped from California or direct from 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.
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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