Julie Leignadier: R&D biological Manager (ORCID number: 0009-0002-9155-4967). Julie Leignadier holds an Immunology PhD from Canada with an extensive research background, including three postdoctoral fellowships in immuno-oncology (two at prestigious Swiss institutions and one in France). She previously served as Project Leader at Evotec company in France for 2 years, demonstrating expertise in translational research. For the past four years at Lucas Meyer Cosmetics, Julie has progressed through several leadership roles: as R&D Project Manager and Head of Biological Platform for 3 years, then R&D Project Manager and Portfolio Enhancement Manager for 1 year. Currently, Julie holds the position of R&D Biological Manager, where she integrates these diverse responsibilities (R&D Project Manager, Head of Biological Platform, and Portfolio Enhancement Manager) to drive innovation and scientific excellence in cosmetic active ingredient development.