Dr Renato Calabria MD, a plastic surgeon in Beverly Hills, CA has been pioneering work in adult stem cells in facial plastic surgery. Dr Renato Calabria is a contributing author for the essay "The Stem Cell-Enriched Face Lift" in the book "Dissecting The Facelift". In the book beyond beauty, Dr Renato Calabria question and answer interview discusses topics such as Endoscopic brow lift, vertical face lift, one stitch facelift and stem cell facelift. Dr Calabria said that what cosmetic surgery does for an individual is to bring out the "confidence and positive feeling, which is critically important because a person's self-perception is paramount to his or her achievement in life.”