Difference Between Retin A, Retinoids, Retinol and Renova

Episode #408 / May 24, 2012
You hear about them all the time. Retin A. Retinol. Renova. Retinoids. Are they all the same? What exactly do they do? Is one more effective than the others? In this episode of DermTV, Dr. Schultz answers these questions.