cosrx Centella Blemish Ampule
cosrx COSRX Centella Blemish Ampule lists 14 ingredients on its label, 14 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains PEG
Key ingredients
- SKIN CONDITIONING
- Centella Asiatica Leaf Water1,2-HexanediolAllantoin
- HUMECTANT
- Butylene GlycolSodium Hyaluronate
- DENATURANT
- Glycerin
- HAIR CONDITIONING
- Betaine
- SURFACTANT - EMULSIFYING
- PEG-60 Hydrogenated Castor Oil
Other ingredients
Centella Asiatica ExtractArginineCarbomerHydroxyethylcelluloseCentella Asiatica ExtractChlorophyllin-Copper Complex
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Centella Asiatica Leaf Water | SKIN CONDITIONING | 0 · 0 | Green |
| Butylene Glycol | HUMECTANT, FRAGRANCE, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Betaine | HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| 1,2-Hexanediol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Allantoin | SKIN CONDITIONING, SKIN PROTECTING, SOOTHING | 0 · 0 | Green |
| PEG-60 Hydrogenated Castor Oil | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 1 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Centella Asiatica Extract | CLEANSING, SKIN CONDITIONING, SMOOTHING, SOOTHING, TONIC | 0 · 0 | Green |
| Arginine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Carbomer | EMULSION STABILISING, GEL FORMING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Hydroxyethylcellulose | BINDING, EMULSION STABILISING, FILM FORMING, LIGHT STABILIZER, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Centella Asiatica Extract | CLEANSING, SKIN CONDITIONING, SMOOTHING, SOOTHING, TONIC | 0 · 0 | Green |
| Chlorophyllin-Copper Complex | ANTIOXIDANT, COLORANT, DEODORANT | 0 · 0 | Green |
Ingredients explained
- Centella Asiatica Leaf Water
- Leaf water with skin conditioning properties; generally gentle.
- Butylene Glycol
- Polyol humectant and solvent at 1–5%; aids solubilization, light feel
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Betaine
- Betaine for mild moisturizing/surfactant; low concentration 1-2% common, high may irritate.
- 1,2-Hexanediol
- Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives
- Allantoin
- Skin soother at 0.5-2%; promotes cell regeneration
- PEG-60 Hydrogenated Castor Oil
- Non-ionic emulsifier and solubilizer at 1–5%; contains PEG, check acid compatibility and sensitive skin irritation
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Centella Asiatica Extract
- Centella asiatica extract for soothing/repair; low irritation, common in sensitive skin products.
- Arginine
- Arginine for moisturizing/conditioning; amino acid, high biocompatibility, often used in blends.
- Carbomer
- Gelling thickener requiring neutralization; watch out for ion compatibility
- Hydroxyethylcellulose
- Water-soluble cellulose ether for thickening and suspension stabilization; sensitive to ions, electrolytes reduce viscosity, use at pH 7-8.
- Centella Asiatica Extract
- Centella asiatica extract for soothing/repair; low irritation, common in sensitive skin products.
- Chlorophyllin-Copper Complex
- Water-soluble green pigment; provides antioxidant and deodorizing effects; used for natural green coloring.
Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page
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