Mediheal Tea Tree Derma Serum
Ingredients and claims, checked

Last checked September 7, 2026
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What is it like at a glance?
What is this product?
- Key ingredients
- Tea Tree Leaf Water 3.9%, Tea Tree Leaf Oil, Tea Tree Leaf Extract
- When
- Morning and evening
A serum that adds targeted ingredients after toner. It comes in a 50 ml size.
Who is it for?
Less suited to
- People avoiding fragrance
- People avoiding essential oils
What's good, and what to watch for?
Good points
- Contains Tea Tree Leaf Water 3.9%
- Hyaluronic Acid and Panthenol add moisture
Watch-outs
- Contains essential oil (Melaleuca Alternifolia (Tea Tree) Leaf Oil)
- If you get fungal acne: Polyglyceryl-10 Laurate
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.
Worth a closer look
- Water
- Glycerin
- Methylpropanediol
- Propanediol
- Butylene Glycol
- Melaleuca Alternifolia (Tea Tree) Leaf Water
- Isopentyldiol
- 1,2-Hexanediol
- Betaine
- Panthenol
- Sodium Hyaluronate
- Polyglyceryl-10 Laurate
- Acrylates/C10-30 Alkyl Acrylate Crosspolymer
- Tromethamine
- Caprylic/Capric Triglyceride
- Ethylhexylglycerin
- Polyacrylate Crosspolymer-6
- Melaleuca Alternifolia (Tea Tree) Leaf Oil
- Hydrogenated Lecithin
- Xanthan Gum
- Glyceryl Polyacrylate
- Melaleuca Alternifolia (Tea Tree) Leaf Extract
- Melaleuca Alternifolia (Tea Tree) Extract
- Ceramide NP
- 4-Terpineol
- Beta-Glucan
- Zinc PCA
- Tocopherol
- Dipropylene Glycol
- Pentylene Glycol
- Caprylyl/Capryl Glucoside
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Don't count on:
- calmer skin
See each claim, checked (5)
Claims, checked
Tea Tree
partly backedMoisture Soothing Serum
partly backedUpgrade
no supporting source foundHigh Purity Tea Tree
no supporting source foundFast Soothing
no supporting source found
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.
Which articles cover it?
Articles on this site that write about this product.
- Fragrance-free, with sixteen essential oils on the listFragrance-free usually means one word is absent from the ingredient list. 404 of the 1,522 fragrance-free products we read still carry scented botanical oils.
- Tea tree on blemish prone skin: ten forms, and only one has the researchTea tree appears on 182 Korean labels in ten different forms. The molecule the antibacterial work is actually about is disclosed on exactly five of them.