The social media trend touting rosemary and rosemary extract as part of skincare routines is now backed by science. A compound found in rosemary leaves may significantly improve the healing of skin wounds and reduce scarring, according to research. Said Thomas Leung, MD, Ph.D., "Our findings suggest that rosemary extract, and specifically the antioxidant, carnosic acid, can shift the healing process from scarring to healthy skin regeneration. We don't have proven ways to consistently do that in humans." Conducting the research in mice, the researchers made a cream with carnosic acid, a naturally occurring antioxidant mostly existing in rosemary, to...