Several people in a lab create a formula, and interview with a journalist,  interspersed with images of people applying sunscreen to themselves.  Many people are shown on video in candid shots of them applying sunscreen to themselves while outdoors.   A woman in a lab prepares a formula of varied ingredients interspersed with talking to a camera.   More scientists are shown in the lab interviewing and talking intermixed with shots of them preparing formulas in the lab and one final shot of a man in an outdoor market handling ingredients for sale.