From the start Dr. Rivers has always insisted that theye include a unique antioxidant from the Pacific red cedar tree called Beta-Thujaplicin. He calls it Beta-T for short. To Dr. Rivers knowledge, they are the only topical skincare company in the world to use it. He has spent many years as a dermatologist working with patients that have severe sun damage and skin cancer. The more research he did, the more impressed he was with this unique ingredient and its ability to reduce the look of sun spots and improve skin clarity and texture.