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Does anyone happen to know if the purge process will last as long as it did before? I dont want to have to wait 2 months before my skin clears uo again

I've been off of retin a for about a month and a half now for various complicated reasons... Before stopping it, i had been using it for my teenage acne. When i stopped it i had mostly clear skin (just a few pimples between my eyebrows at the time i stopped). I had been using it for about 4 or 5 months at that point. If I were to go back to using it now, after the relatively short amount of time I've been off it, will i have to go through the purge process again, or would it at least be a less s