anti trouble patch

As much as I love Innisfree products, this product is completely useless on my blemishes. I've tried these on small whiteheads and on large, red under surface bumps. There's no improvement at all...

Pros- reduces the size and redness of the pimple. Less noticeable patch, compared to Nexcare and Kuan Yuan Lian. Cons- Does not work for cystic acne. Its the most expensive patch that I've...