Yes you stop. Because it causes the skin to thin and accelerated turn over. Please google the action of the cream. You start again when the skin has healed post treatment and wounds have closed. Ask your provider these questions please they are responsible for you, ... I cannot take responsibility for your aftercare (they may feel differently and that is ok, ... it's on them).

Retin a / Differin /Tretinorin = Topical Accutane (aka vitamin a).