Is Deep Active FX treatment effective to shrink pores? Will Vaseline post treatment block pores further?

I'm a 29 year old Irish woman with pale skin. I have suffered with acne for about 17 years. I have huge pores and blackheads all over my face. Will this treatment shrink my pores, they are the worst on my face. Also I'm terrified that putting all that Vaseline on my face for days after the treatment will block my pores even more and cause even more blackheads. Is there a non pore blocking alternative to Vaseline? Please, please advise me. Many thanks. I will post pics once I do the treatment next month.

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