About this product
COSRX Master Patch Intensive (90 patches) is the value pack of the intensive hydrocolloid blemish patches, providing 90 patches for extended use or acne-prone skin that benefits from regular patching. The larger size accommodates inflamed cystic blemishes and cluster breakout areas.
Best for oily, combination skin looking to address acne, blemishes, inflammatory acne — with a focus on extended treatment supply.
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Quick Stats
Key Ingredients
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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 blemish
- 2Leave on 6-8 hours or overnight
- 3Replace daily
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
90-patch value pack with tea tree and salicylic acid for serious blemish care.
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
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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.