Harriet Hall, M.D. Stephen Barrett, M.D. Nicholas Perricone, M.D., has written three similar books: The Wrinkle Cure , The Perricone Prescription ; and The Acne Prescription . All contain many claims that are questionable, controversial, fanciful, unsupported by published evidence, or just plain wrong. Although he mentions standard skin-care treatments,… read more "A Skeptical View of the Perricone Prescription"