Recommendation For Smoothbeam Settings for Cystic Acne?

Has anyone successfully treated cystic acne with the Smoothbeam Laser? If so, what size handpiece, joule/spray settings, and number of treatments were successful for Fitzpatrick I thru III? I don't mean for active legions, but by shrinking sebaceous glands for long-term benefit. I only have acne on my chin and it's hormonal. Nothing works for it except birth control pills, and I'm over 35. I don't want to take Accutane.

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