Natural extracts are in everything from food to medicine to beauty products. But how do we know which molecules from the natural world have benefits? And how can we verify that the ingredients advertised on the outside of the bottle are actually what’s on the inside? We’ll talk with three scientists who answer those questions with an unlikely case study: shampoo. Solutions is made with funding and featuring scientists from 3M, Ascend Performance Materials, Baker Hughes, BASF, Dow, DuPont, Procter & Gamble, PPG, Royal DSM, SABIC, Solvay, and W. L. Gore & Associates, none of whom influenced any editorial decisions.