COSRX Low pH Good Morning Gel Cleanser ingredients, decoded

What COSRX Low pH Good Morning Gel Cleanser is mostly made of, which ingredients do the work and what to watch for — based on the ingredient list the brand publishes.

COSRX
Low pH Good Morning Gel Cleanser
약산성 굿모닝 젤 클렌저
What the brand says it does

Low-pH gel cleanser with betaine salicylate (BHA) and tea tree oil that cleanses without stripping.

25ingredients
1key ingredients
1worth knowing

What it targets

  • SoothingUlmus Davidiana Root Extract, Allantoin
  • BreakoutsMelaleuca Alternifolia (Tea Tree) Leaf Oil

Based on which ingredients are in it, how high up the list they are, and whether they are key actives.

Also listed, but probably in too small an amount to do its usual job, so not counted above: Betaine Salicylate.

Key ingredients

Melaleuca Alternifolia (Tea Tree) Leaf Oil#15
티트리잎오일

Tea tree oil: antimicrobial, used for blemishes; can irritate undiluted.

Breakouts

Ingredient guide →

Worth knowing

  • May irritate sensitive skin: Melaleuca Alternifolia (Tea Tree) Leaf Oil. Patch-test first.

What most of it is made of

  1. WaterBase
  2. Cocamidopropyl BetaineCleansing agent
  3. Sodium Lauroyl Methyl IsethionateCleansing agent
  4. Sodium ChlorideThickener / texture
  5. Polysorbate 20Emulsifier

We couldn’t find a marker ingredient (such as phenoxyethanol) to place the 1% line.

Full ingredient list, decoded (25)
1Water정제수The base of most creams and toners; dissolves the water-loving ingredients.Base
2Cocamidopropyl Betaine코카미도프로필베타인Mild co-cleanser that softens harsher surfactants.Cleansing agent
3Sodium Lauroyl Methyl Isethionate소듐라우로일메틸이세티오네이트Mild cleansing agent that foams without stripping.Cleansing agent
4Sodium Chloride소듐클로라이드Salt; thickens cleansers and stabilises some emulsions.Thickener / texture
5Polysorbate 20폴리솔베이트20Emulsifier that keeps oil and water mixed.Emulsifier
6Styrax Japonicus Branch/Fruit/Leaf Extract때죽나무가지/열매/잎추출물Plant extract, usually present in small amounts for conditioning.Plant extract
7Butylene Glycol부틸렌글라이콜Light humectant and solvent that helps other ingredients spread and absorb.Humectant
8Saccharomyces Ferment효모발효물Ferment ingredient made with yeast or bacteria; used for conditioning.Ferment
9Cryptomeria Japonica Leaf Extract삼나무잎추출물Plant extract, usually present in small amounts for conditioning.Plant extract
10Nelumbo Nucifera Leaf Extract연꽃잎추출물Plant extract, usually present in small amounts for conditioning.Plant extract
11Pinus Palustris Leaf Extract대왕소나무잎추출물Plant extract, usually present in small amounts for conditioning.Plant extract
12Ulmus Davidiana Root Extract느릅나무뿌리추출물Elm root extract, used for soothing.Soothing
13Oenothera Biennis Flower Extract달맞이꽃꽃추출물Plant extract, usually present in small amounts for conditioning.Plant extract
14Pueraria Lobata Root Extract칡뿌리추출물Plant extract, usually present in small amounts for conditioning.Plant extract
15Melaleuca Alternifolia (Tea Tree) Leaf Oil티트리잎오일Tea tree oil: antimicrobial, used for blemishes; can irritate undiluted.Ingredient guide →Plant extract
16Allantoin알란토인Soothing, softening ingredient.Soothing
17Caprylyl Glycol카프릴릴글라이콜Humectant with preservative-boosting action.Preservative
18Ethylhexylglycerin에틸헥실글리세린Preservative booster, usually paired with phenoxyethanol.Preservative
19Betaine Salicylate Trace베타인살리실레이트Gentle exfoliant related to salicylic acid (BHA).Exfoliant
20Citric Acid시트릭애씨드pH adjuster; usually at low levels where it does not exfoliate.pH adjuster
21Ethyl Hexanediol에틸헥산다이올Humectant that helps skin hold on to water.Humectant
221,2-Hexanediol1,2-헥산다이올Humectant that also helps preserve the formula; very common in Korean skincare.Humectant
23Trisodium Ethylenediamine Disuccinate트라이소듐에틸렌다이아민다이석시네이트Biodegradable chelator used instead of EDTA.Chelating agent
24Sodium Benzoate소듐벤조에이트Preservative, often used in "paraben-free" formulas.Preservative
25Disodium EDTA다이소듐이디티에이Binds metal ions so the formula stays stable.Chelating agent

Based on the ingredient list the brand publishes; formulas can change and differ by country. The order shows relative amounts, not exact percentages. General information, not medical advice.

Ingredient list as published on the brand’s official website. Formulas change and can differ by country, so check the list on your pack too. General information, not medical advice.