MacVoices #20016: CES Unveiled - Neutrogena Improves Your Skin Care with Your iPhone At CES Unveiled in Las Vegas, you might have been surprised to find Neutrogena as an exhibitor, but Dr. Michael Southall , Global R&D Lead, quickly made the tech connection obvious by demonstrating their app that uses your phone’s camera to assess the health and needs of the skin on your face, and make recommendations about products and practices to help improve it.