differin for closed comedones? Or laser?

after three shots of kenalog, spaced a month apart i developed a case of adult acne (i am 40). i have closed comedones on my cheeks and chin and facials are not improving it. i got a prescription for differin 0.1% but i am scared to try it because i read that acne got worse in some users. so far i have used 0.5% salycilic w10% pads. Is there a laser that can clear closed comedones?

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