Is it safe to use Retin-A if I'm doing oxygen facials in a weekly basis?

I'm planning to start using Retin-A this week, but I'm in the middle of my oxygen facial therapy. I'm wondering if it's safe to start Retin-A at the same time? I want to start right away, but after reading so many bad reviews saying Retin-A is "dangerous" I'm kind of scared. Hope you can help me, thank you!!

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