The future of the fashion and cosmetics industries may well lie in the hands of the future leaders of synthetic biology. These consumer-driven industries touch the lives of almost everyone on earth, but they also use massive amounts of raw materials and have an immense negative impact on the environment. At iGEM, teams are using synthetic biology to help move the fashion and cosmetics industries into a new, more sustainable, and animal cruelty-free era. Here are just a few examples of iGEM team projects that could usher in the next revolution in fashion and cosmetics.