About this product
COSRX Master Patch X-Large (10 patches) are oversized hydrocolloid patches for treating large, cystic blemishes or covering multiple clustered breakouts in one application. The extra-large size creates a wider healing zone for more severe or widespread acne.
Best for oily, combination skin looking to address acne, large blemishes — with a focus on large-area coverage.
Pro members get a personalized score on every product based on their skin profile.
How to Use
- 1Apply to clean, dry skin
- 2Leave on 8-12 hours or overnight
- 3Replace as needed
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.
Routine Placement
Apply this spot patch as step 5 in your routine.
Quick Stats
Key Ingredients
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
Dermatologist Note
Oversized format for treating larger blemish areas or multiple spots at once.
Based on published clinical literature and dermatological research.
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
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Disclaimer: Information on this page is for educational purposes only and does not constitute medical or dermatological advice. Always patch test new products and consult a qualified professional if you have skin concerns. Skinuity does not sell any products. We provide affiliate links to third-party retailers and may earn a commission on qualifying purchases.