cosrx Clear Fit Master Patch
cosrx COSRX Clear Fit Master Patch lists 7 ingredients on its label, 4 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
Contains fragranceContains mineral oil
Key ingredients
- BINDING
- Cellulose GumPolyisobutene
- 成膜剂
- Polyurethane Film
- 润肤剂
- Liquid Paraffin
Other ingredients
Styrene Isoprene Styrene Block CopolymerPetroleum ResinTetrakis Methane
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Cellulose Gum | BINDING, EMULSION STABILISING, FILM FORMING, FRAGRANCE, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Styrene Isoprene Styrene Block Copolymer | Not decoded yet | — | — |
| Polyisobutene | BINDING, FILM FORMING, VISCOSITY CONTROLLING | 0 · 1 | Green |
| Petroleum Resin | Not decoded yet | — | — |
| Polyurethane Film | 成膜剂 | 2 · – | Green |
| Liquid Paraffin | 润肤剂,粘度控制剂 | 0 · 4 | Green |
| Tetrakis Methane | Not decoded yet | — | — |
Ingredients explained
- Cellulose Gum
- Cellulose gum, water-soluble thickener/stabilizer; may destabilize with cationics, hydrate first.
- Styrene Isoprene Styrene Block Copolymer
- Not decoded yet
- Polyisobutene
- Inert film former and occlusive; increases viscosity, slippery feel, used in lipsticks
- Petroleum Resin
- Not decoded yet
- Polyurethane Film
- Polyurethane film former for waterproof cosmetics; forms durable films, requires solvents for dissolution, potential irritation for sensitive skin.
- Liquid Paraffin
- Mineral oil, basic occlusive emollient; moderate comedogenicity, caution for acne-prone skin.
- Tetrakis Methane
- Not decoded yet
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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