MEDIHEAL
Tea Tree Calming Moisture Ampoule 50ml (Refill)
Tea Tree Calming Moisture Ampoule 50ml (Refill) is MEDIHEAL's ampoule, sourced for the Korean market and sold here as the authentic Korean-market formula rather than a US-shelf reformulation.
No reviews yet50 ml
$70.00 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- Normal skinDry or dehydrated skinCombination skin
- Helps with
- A concentrated ampoule stepA layered Korean routine
In stock. Arrives in 3 to 7 business days
We accept
You’re $100.00 away from free US shipping.
- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
How it works
Mediheal is one of Korea's best known sheet mask houses, built its name on dermatology-clinic-style single-use masks sold by the box across Olive Young and its own lineups. Tea Tree Calming Moisture Ampoule 50ml (Refill) is formulated as a ampoule, built for the texture and finish typical of MEDIHEAL's catalog. It functions as a concentrated step layered under moisturiser in a layered Korean routine, and comes in a 50ml format. MEDIHEAL sells it as the same Korean-market formula carried in Korea, not a US-shelf reformulation, with the intact Korean-market packaging and batch coding that goes with that.
Key benefits
- MEDIHEAL's Tea Tree Calming Moisture Ampoule 50ml (Refill), sourced for the Korean market rather than reformulated for US shelves
- A ampoule built to MEDIHEAL's catalog positioning
- Functions as a concentrated step layered under moisturiser
- Comes in a 50ml format, matching the size MEDIHEAL sells this formula in on the Korean market
Inside the formula
Inside the formula
How is this ampoule used in a routine?
Apply a small amount to cleansed skin, patting it in before the next step. A few drops is enough for the whole face. It works as a concentrated step layered under moisturiser.
Is this the same formula sold in Korea?
Yes. MEDIHEAL's Tea Tree Calming Moisture Ampoule 50ml (Refill) is sold here as the Korean-market formula, the same version carried in Korea, with intact Korean-market packaging and batch coding, not a US-shelf reformulation.
Who is this ampoule suited for?
Normal skin, Dry or dehydrated skin are the best fit for this ampoule. Patch test on the inner arm before first full use, as with any new skincare product.
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 (21): Melaleuca Alternifolia (Tea Tree) Leaf Water, Glycerin, Propanediol, Methylpropanediol, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Theobroma Cacao (Cocoa) Seed Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Melaleuca Alternifolia (Tea Tree) Extract, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Hydrogenated Lecithin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Diethoxyethyl Succinate, Disodium EDTA, Tromethamine, Water, Dextrin, 4-Terpineol, Lactobacillus Ferment, 1,2-Hexanediol, Ethylhexylglycerin
Ingredient list read from inkeedecoder.com on 12 September 2026.
19 of 21 explained
- Melaleuca Alternifolia (Tea Tree) Leaf Water plant extract
- Tea Tree Leaf Water is the distillate, used in place of plain water as a base. It carries a trace of the plant's aroma and none of the essential oil's 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.
- 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.
- 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.
- Melia Azadirachta Leaf Extract plant extract
- Melia Azadirachta is neem. Its leaf and flower extracts are long-standing Ayurvedic ingredients, and Korean formulas use them in products aimed at the look of congested, blemish-prone skin.
- Theobroma Cacao (Cocoa) Seed Extract plant extract
- Cocoa Extract carries polyphenols and a little caffeine. It is used as an antioxidant plant extract and gives a faint warm tint.
- 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.
- 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.
- 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.
- 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.
- Diethoxyethyl Succinate solvent
- Diethoxyethyl Succinate is a solvent that helps water-resistant actives spread and sink in evenly. It also leaves a light, silky feel.
- 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.
7 more explained
- 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.
- 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.
- Dextrin thickener
- Dextrin is a starch fragment used to thicken and to give a formula a light, powdery finish. It is also a common carrier for powdered extracts.
- 4-Terpineol fragrance component
- A terpene alcohol, and the main constituent of tea tree oil. On a label it is an aromatic plant constituent rather than a functional ingredient.
- 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.
- 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.
- 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.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809936740019
- Made in
- Republic of Korea
- Volume
- 50 ml
- Category
- Serum & Ampoule
- Actives
- 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.
How to use
- Decant or fit the refill into the dispenser you already own before first use.
- Apply after toner on damp skin, pressing three or four drops across the face.
- Follow with a moisturiser once it has settled for about a minute.
- Do not buy this expecting a pump, since a refill is sold without the outer dispenser.
Worth knowing
- Patch test on the inner arm before first full use, as with any new skincare product.
Complete the routine
- This itemMEDIHEAL Tea Tree Calming Moisture Ampoule 50ml (Refill)$35.00

- The treatment step of this routineMEDIHEAL Tea Tree Calming Barrier Ampoule 50ml$37.50

- Cleanse first, so the next step meets bare skinMEDIHEAL Teatree Trouble Calming Cleanser 120ml$15.00

Total for 3 items$87.50
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MEDIHEAL Tea Tree Calming Moisture Ampoule 50ml (Refill)
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
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MEDIHEAL, Korean-market original
MEDIHEAL's Tea Tree Calming Moisture Ampoule 50ml (Refill), sourced for the Korean market.
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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