I had the procedure done because my skin was rough and prone to breakouts due to sebum build-up in the summer, and it definitely improved. However, I don't think the collagen formation was noticeable. I highly recommend it to those who are stressed out by breakouts and breakouts, and while it's effective on small pores, it didn't have a noticeable effect on the large pores around my nose. For large pores, I guess I'll have to go with the non-perm method.
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[Trouble Improvement] 
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