How does Retinol work? renaissanceskincare January 20, 2017 Uncategorized Retinol is the most sought after ingredient in the treatment of aging skin. But, how does it work? Dr. Diana Howard provides a scientific look and straightforward breakdown of this super ingredient for aging, acne, and beyond. You Might Also Like Dry body brush to help eliminate celliulite January 11, 2018 What is the Universal Contour Wrap? August 10, 2012 Mum & Me competition February 25, 2015