About this product
COSRX Master Patch Intensive (36 patches) are larger hydrocolloid patches designed for bigger, more inflamed blemishes that need extended healing support. The intensive-grade patches form a deeper seal to draw out more impurities and visibly flatten swollen pimples overnight.
Best for oily, combination skin looking to address acne, blemishes, inflammatory acne — with a focus on active blemish treatment.
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Quick Stats
Key Ingredients
Alternatives
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Product Claims
Common Allergens
Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
Always check the full ingredient list if you have known allergies or sensitivities.
How to Use
- 1Apply to clean skin over blemish
- 2Wear for 6-8 hours or overnight
- 3Replace when needed
Patch Test Recommended
This product contains high-strength actives. Before full application, apply a small amount to your inner arm or jaw and wait 24 hours to check for irritation.
If you experience redness, burning, or itching — discontinue use and consult a dermatologist.
Dermatologist Note
Tea tree oil + salicylic acid add active treatment; still keeps blemish covered.
Based on published clinical literature and dermatological research.
Ingredient Analysis
Full Ingredient List (INCI)
3 ingredientsListed in order of concentration (highest first)
Tea Tree Leaf Oil, Salicylic Acid, Hydrocolloid base
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Disclaimer: The information on this page is for informational purposes only and does not constitute medical or dermatological advice. Always do your own research, consult a qualified professional if you have concerns, and patch test new products before full application — especially if you have sensitive or reactive skin.