How long does it take after I stop taking accutane for my dry lips to become their normal self?

I am a 28 year old male on accutane for the past 2 months. My current dosage is 40mg. I will be getting married in January so I would like to stop taking the medication some time before that so that my skin and lips don't look dry on my special day. I would also like to know if taking a break from the medication for a month or two would have any effect on my treatment or not

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