In this bonus episode of 'Chemistry For Your Life,' hosts Melissa Collini and Jam Robinson answer listener-submitted questions about various chemistry topics. They discuss the distinction between 'chemical' and 'natural' smells, plant poisons, and the mechanisms behind face scrubs and soaps. The episode also features insights from a listener working in the beauty industry and addresses the challenges of avoiding fast food in the context of food deserts. Additionally, the hosts express gratitude for their supportive listeners and patrons.