New topical tretinoin products for acne

   Retin-A is going off patent...leading to several new topical tretinoin products for acne. Avita cream and gel from Penederm...and Retin-A Micro from Ortho.

   These new formulas seem to be less irritating than the original Retin-A...due to their "high tech" vehicles.

   For example, Retin-A Micro uses tiny microspheres to incorporate the tretinoin into an aqueous gel that's less irritating.

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