Nature has given us a nearly infinite palate of materials to work with. Precision fermentation allows us to scale ingredients that nature only produces in minute quantities. Synthetic biology allows us to increase the performance of nature-based ingredients. At the SynBioBeta Built With Biology Summit, Karl Schmieder speaks with Geltor's Erin Kim and Polybion's Alexis Gómez-Ortigoza on the impact of their company's work on the personal care and fashion industries.