What the R? The Truth about Retinol and How to Use It
There is ONE holy grail product ingredient that has been scientifically proven again and again to make skin cells act younger than they are. What is this miracle product I hear you cry? It's Retin A, or Retinol, or Retinoid, or wait isn't that Vitamin A?? Whats Retinoic acid? Read on for the truth about retinol.