cosrx AC Collection Acne Patch
cosrx COSRX AC Collection Acne Patch lists 7 ingredients on its label, 7 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 Polyurethane film carrier with carbomer and polybutene, bolstered by mineral oil for occlusion. Centella extract soothes and repairs. Designed for local application; the film is robust with moderate breathability. Minimalist formula focusing on physical closure and comfort. Ideal for single-acne care; avoid long-term extensive use to prevent clogging.E · AI inference · to be verified
Key ingredients
- 增稠剂
- Sodium Carboxymethyl Cellulose
- 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 |
|---|---|---|---|
| Sodium Carboxymethyl Cellulose | 增稠剂,悬浮剂 | 0 · – | Green |
| Polyisobutene | BINDING, FILM FORMING, VISCOSITY CONTROLLING | 0 · – | Green |
| Rosin | BINDING, FILM FORMING, VISCOSITY CONTROLLING | — | Green |
| Polybutene | BINDING, VISCOSITY CONTROLLING | 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 · – | Green |
| Centella Asiatica Extract | CLEANSING, SKIN CONDITIONING, SMOOTHING, SOOTHING, TONIC | 0 · – | Green |
| Polyurethane Film | 成膜剂 | 2 · – | Green |
The comedogenic column only shows scores with a published source. A blank means "no public source", not "non-comedogenic".
Ingredients explained
Each note carries its evidence level: C comes from official inventories (NMPA names, CosIng functions, annex restrictions); E is AI inference nobody has checked yet — treat it as a candidate. How we grade evidence →
- Sodium Carboxymethyl Cellulose
- Water-soluble thickener and susppending agent; adjust with electrolytesE · AI inference · to be verified
- Polyisobutene
- Inert film former and occlusive; increases viscosity, slippery feel, used in lipsticksB · Third-party verified
- Rosin
- Natural resin for thickening or shaping; good thermal stability but can oxidize yellow, may contain allergenic proteins.E · AI inference · to be verified
- Polybutene
- Polybutene for film forming and thickening; high-viscosity inert polymer used in setting sprays or gels.B · Third-party verified
- Mineral Oil
- Occlusive emollient preventing water loss; must use high-purity medical grade to avoid impurities.E · AI inference · to be verified
- Centella Asiatica Extract
- Centella asiatica extract for soothing/repair; low irritation, common in sensitive skin products.B · Third-party verified
- Polyurethane Film
- Polyurethane film former for waterproof cosmetics; forms durable films, requires solvents for dissolution, potential irritation for sensitive skin.E · AI inference · to be verified
Source: full ingredient list published on the product label, collected 2026-09-20. Ratings are our internal reading, not a regulatory conclusion. · Product page
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