Cosrx Acne Pimple Master Patches are hydrocolloid patches that protect wounded or troubled area from getting worse while maintaining humidity of skin to prevent further breakouts.
Benefits :
• Absorbs & extracts gunk
• Faster healing
• Prevents scarring
After trying out 3M Nexcare™ Acne Patch, I was intrigued to try out the popular ones from Cosrx and promptly purchased Cosrx Acne Pimple Master Patch from my Korea trip last year.
Spot treatments have evolved far beyond drying lotions and topical creams. Hydrocolloid patches ( made from cellulose gum and polyurethane film ), in particular, have gained popularity for their ability to absorb impurities while protecting blemishes from further irritation. Among the countless options available, COSRX Acne Pimple Master Patch remains one of the most popular choices, promising to protect troubled spots while speeding up healing.
Packaging, Scent and Texture
Packaged in a minimal, resealable pouch, the COSRX Acne Pimple Master Patch includes 24 hydrocolloid patches in varying sizes (9 large, 5 medium, 10 small). The patches are arranged on a white plastic sheet and can be peeled off effortlessly for convenient, hygienic use.
The patches are scent-free, with a thin, flexible texture that adheres securely to the skin and stays in place even overnight. Once applied, they feel lightweight, making them comfortable for both day and night use.
How To Use:
1) Cleanse the area around the problem spot.
2) Select a bigger size patch than the problem spot and attach the patch to the spot.
Performance and Ingredients
As I gotten older, I noticed that the occasional breakouts on my chin have become more stubborn and my usual go-to, Tea Tree Oil, no longer seems to do the trick.
After my brother introduced me to the 3M Nexcare Acne Patch, which worked moderately well on my angry spots, I became curious to explore how other brands, like COSRX, would compare in calming and healing breakouts.
The COSRX Acne Pimple Master Patch comes with 24 hydrocolloid patches in three sizes - 7mm (10 pieces), 10mm (5 pieces), and 12mm (9 pieces). Personally, the 12mm patches are my favourite as larger zits tend to take longer to heal, and wearing these overnight helps shorten the breakout period.
Smaller patches don’t adhere as well when the pimple is bigger as they sometimes “dangle” at the edges and feel like they might come off (thankfully, that hasn’t actually happened yet!).
Performance-wise, this patch does an excellent job of flattening inflamed pimples overnight. It absorbs excess pus and oil while forming a protective barrier that prevents bacteria and finger contact, allowing the skin to heal faster and more cleanly. There’s always a quiet satisfaction when removing the patch in the morning seeing how much it has drawn out and how much flatter the pimple looks.
That said, it might not work with blind pimples or deep hormonal acne.
Formulated with hydrocolloid, the patch creates a moist healing environment that speeds up recovery and minimizes the risk of post-acne marks. It’s gentle, fragrance-free and suitable even for sensitive or easily irritated skin.
The key ingredient is...
Hydrocolloid : Absorbs discharge, maintains humidity to prevent further breakouts
Petroleum Resin, Cellulose Gum, Styrene Isoprene Styrene Block Copolymer, Polyurethane Film, Polyisobutylene, Liquid Paraffin, Tetrakismethane
Conclusion
Overall, the COSRX Acne Pimple Master Patch lives up to its reputation as an effective and fuss-free spot treatment. It’s convenient, hygienic, and works well even on inflamed pimples that need overnight care. I love how it helps flatten breakouts quickly while keeping the area protected and clean.
While the smaller patches may not adhere as securely on larger zits, the 12mm size is a true lifesaver for stubborn spots. I’m honestly just waiting for COSRX to release a pack with only the 12mm patches in ultra thin format that would make it absolutely perfect!
For best results, it’s important to apply the patch on dry skin after cleansing and skip any skincare on that spot, as skincare products can interfere with its adhesion and reduce its healing effectiveness.
Whether you’re dealing with a sudden breakout or looking for a gentle yet effective way to speed up healing, this patch is a reliable skincare staple I’ll keep repurchasing.
Thanks so much for reading! Is my Cosrx Acne Pimple Master Patch blog post helpful for you? Let me know in the comments or by sharing it on social media.



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