Carl R. Thornfeldt, M.D., is a practicing dermatologist with over 30 years of skin-research experience and 22 United States patents granted. Thornfeldt has published over 40 scientific articles, including chapters in eight textbooks, focused on cosmeceuticals, drug delivery, natural products, and dermatology treatments. In 2010, his first full-length textbook was released. Thornfeldt presents regularly at international, national, and regional scientific meetings. In 2003 and 2005,…