Clara Challoner Walker, a graduate chemist and associate of the Royal College of Science, started The Cosy Cottage Soap Company in 2015. She will share how, using her knowledge of chemistry and cell biology, she created a range of personal care products which avoided the use of environmentally damaging ingredients and potentially harmful chemicals including parabens, SLS, and synthetic limonoids, established her first manufacturing operation and has grown the company into a thriving business.