Which "Actives" Should I Look for (Or Add!) to my Facial Moisturizer?

There are a plethora of acitves, however very few have been "proven" in peer reviewed scientific study to actually improve or prevent aging skin.  Two actives that have had extensive research and are widely accepted as safe and effective are retinol and nicacin (or niacinamide).  These vitamin derived actives have been shown to have a positive long term effect in both lab and clinical studies.  Retinol increases collagen and elastic tissue, and niacin decrease... more