Can Microdermabrasion Expose "Unearthed" Scars?

I've had a series of approx. 5 microdermbabrasion treatments, and my acne scars are more noticeable, deeper... and I have new scars. Why this happened? I thought that the worst that could happen was no change at all... but my skin is worse than ever. Is it true that it can destroy collagen that was built over time?

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