Goldfaden MD Radical Difference Advanced Antioxidant Serum Dr. Goldfaden’s concentrated rehydrating silk serum helps to rejuvenate the appearance of skin imperfections, illuminate dull skin and reduce the appearance of unwanted red areas to leave skin appearing glowing and vibrant. Works to make skin feel firmer. smooth and hydrated Helps improve the appearance of uneven skin tone  Provides powerful antioxidant nourishment