COSRX
Master Patch BasicCOSRX
Master Patch X-LargeThe brand gives no description.
A spot treatment built around Niacinamide, for barrier repair and reducing redness.
Brand price
USD 12.00 · checked 25 Sept 2026 · brand's site
Brand price
Not recorded · brand's site
At a Glance
Every check both products could be assessed on comes out the same. Tap any answer to see why.
Key Ingredients
No key ingredients
Benefits
No benefits found
Ingredients Side-by-side
Hydrogenated Poly(C6-20 Olefin) (in both products)
Abrasive
Polyisobutene (in both products)
Viscosity Controlling
Styrene/Isoprene Copolymer (in both products)
Film Forming
Hydrogenated Poly(C6-20 Olefin) (in both products)
Abrasive
Polyisobutene (in both products)
Viscosity Controlling
Styrene/Isoprene Copolymer (in both products)
Film Forming
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Cellulose Gum
Binding, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Controlling
Cellulose, carboxymethyl ether, sodium salt
Learn more about Cellulose Gum →Hydrogenated Poly(C6-20 Olefin)
Abrasive, Viscosity Controlling
Hydrogenated Poly(C6-20 olefin) is a polymer synthesized from hydrogenated C6-20 olefins
Learn more about Hydrogenated Poly(C6-20 Olefin) →Polyisobutene
Binding, Film Forming, Viscosity Controlling
Homopolymer of 2-methyl-1 propene
Learn more about Polyisobutene →Styrene/Isoprene Copolymer
Film Forming, Opacifying
Benzene, ethenyl-, polymer with 2-methyl-1,3-butadiene
Learn more about Styrene/Isoprene Copolymer →
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The Inkey List
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