COSRX ac collection acne patch 2
COSRX cosrx ac collection acne patch 2 lists 8 ingredients on its label, 8 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 essential oilsFree of formaldehyde releasersContains mineral oil
Formulation view Hydrocolloid patch with mineral oil and polyisobutene seal. Centella soothes. No antiseptics. For spot-treating pustules. Factory note: Breathability of the occlusive layer must be tested to prevent anaerobic bacterial growth.
Key ingredients
- 粘度控制剂
- Carboxymethylcellulose
- 防腐剂
- Sodium
- BINDING
- PolyisobuteneRosinPolybutene
- SKIN CONDITIONING - EMOLLIENT
- Mineral Oil
- CLEANSING
- Centella Asiatica Extract
- 成膜剂
- Polyurethane Film
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Carboxymethylcellulose | 粘度控制剂, 悬浮剂 | 0 · 0 | Green |
| Sodium | 防腐剂, 缓冲剂 | 0 · 0 | Green |
| Polyisobutene | BINDING, FILM FORMING, VISCOSITY CONTROLLING | 0 · 1 | Green |
| Rosin | BINDING, FILM FORMING, VISCOSITY CONTROLLING | — | Green |
| Polybutene | BINDING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Mineral Oil | SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, FRAGRANCE, SKIN PROTECTING, SOLVENT, PERFUMING, SKIN CONDITIONING - OCCLUSIVE · 限制 II/778. Distillates (petroleum), hydrotreated heavy paraffinic, if they contain > 3 % w/w DMSO extract. | 0 · 0 | Green |
| Centella Asiatica Extract | CLEANSING, SKIN CONDITIONING, SMOOTHING, SOOTHING, TONIC | 0 · 0 | Green |
| Polyurethane Film | 成膜剂 | 2 · – | Green |
Ingredients explained
- Carboxymethylcellulose
- Carboxymethylcellulose, thickener and suspending agent; water-soluble, precipitates with cationic surfactants.
- Sodium
- Refers to sodium salts (e.g., electrolytes), not metallic sodium; part of preservative/buffer systems, monitor ionic strength effects.
- Polyisobutene
- Inert film former and occlusive; increases viscosity, slippery feel, used in lipsticks
- Rosin
- Natural resin for thickening or shaping; good thermal stability but can oxidize yellow, may contain allergenic proteins.
- Polybutene
- Polybutene for film forming and thickening; high-viscosity inert polymer used in setting sprays or gels.
- Mineral Oil
- Occlusive emollient preventing water loss; must use high-purity medical grade to avoid impurities.
- Centella Asiatica Extract
- Centella asiatica extract for soothing/repair; low irritation, common in sensitive skin products.
- Polyurethane Film
- Polyurethane film former for waterproof cosmetics; forms durable films, requires solvents for dissolution, potential irritation for sensitive skin.
Source: full ingredient list published on the product label, collected 2026-09-17. Ratings are our internal reading, not a regulatory conclusion. · Product page
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