cosrx Hydrium Watery Toner
cosrx COSRX Hydrium Watery Toner lists 13 ingredients on its label, 13 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 releasers
Key ingredients
- ANTIPLAQUE
- Water
- HUMECTANT
- Butylene GlycolSodium Hyaluronate
- DENATURANT
- Glycerin
- SKIN CONDITIONING
- 1,2-HexanediolAllantoinPentylene Glycol
- ANTISTATIC
- Panthenol
Other ingredients
Sodium Hyaluronate CrosspolymerHydrolyzed Hyaluronic AcidHyaluronic AcidEthylhexylglycerinHydrolyzed Sodium Hyaluronate
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 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 |
| 1,2-Hexanediol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Allantoin | SKIN CONDITIONING, SKIN PROTECTING, SOOTHING | 0 · 0 | Green |
| Panthenol | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Pentylene Glycol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Sodium Hyaluronate Crosspolymer | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Hydrolyzed Hyaluronic Acid | HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Hyaluronic Acid | ANTISTATIC, HUMECTANT, MOISTURISING, SKIN CONDITIONING | 0 · 0 | Green |
| Ethylhexylglycerin | DEODORANT, SKIN CONDITIONING | 0 · 0 | Green |
| Hydrolyzed Sodium Hyaluronate | SKIN CONDITIONING | 0 · 0 | Green |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- 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
- 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
- Panthenol
- Panthenol (vitamin B5) at 1–5%; moisturizing and reparative, supports barrier recovery
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Pentylene Glycol
- Polyol humectant at 1-3%; low irritancy, suitable for sensitive skin
- Sodium Hyaluronate Crosspolymer
- Crosslinked high-MW HA; forms surface hydrogel for long-lasting hydration, minimal penetration, physical film-forming.
- Hydrolyzed Hyaluronic Acid
- Low-MW humectant with superior penetration vs high-MW; 0.1-0.5% typical, hygroscopic, store dry to prevent clumping.
- Hyaluronic Acid
- High-water-binding humectant at 0.1-1%; high-MW for surface film, low-MW for dermal potential, check cationic compatibility.
- Ethylhexylglycerin
- Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel
- Hydrolyzed Sodium Hyaluronate
- Low-molecular-weight hyaluronic acid derivative with better penetration and strong hydration; different molecular weights provide hydration at various depths, typical concentration 0.1-1%.
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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