We get under the skin of the businesses trying to sell you a new look. Viral marketing has boosted the popularity of cosmetic surgery with social media platforms hosting an array of photos, videos, comments and recommendations. But there's a darker side, with the 'Brazilian butt lift' resulting in a number of fatalities. Dr Matthew Schulman, a New York-based plastic surgeon, says marketing through social media has shaken up his business over the last 10 years. He says if his online videos make you squeamish, his procedures might not be right for you. Presenter Manuela Saragosa speaks to reality TV star Natalee Harris, who had a botched surgery in Turkey, after a recommendation from a social media influencer. We hear from lawyer Cheryl Palmer Hughes, who has taken on a number of legal cases when procedures have gone wrong. She says the sector needs better regulation. (Picture: A bottom marked with lines for surgery. Credit: Getty Images)