In this series of publications, we review individual multifunctional ingredients to highlight their importance in modern product protection and to offer a glimpse into the benefits they can bring to formulators and consumers. We call them “heroes”, because multifunctionals play a critical role in ensuring shelf life and product safety for the benefits of consumers. Ethylhexylglycerin is a multifunctional ingredient widely used in modern cosmetic formulations. This article discusses Ethylhexylglycerin, exploring its skin compatibility, deodorant efficacy, sensory contribution, formulation behavior, and other benefits.