At IFF, we create science-backed innovations that help our customers bring meaningful products to market.

As Senior Clinical Scientist, you will lead the clinical evaluation and claim substantiation of our natural cosmetic active ingredients, with a particular focus on skincare and haircare applications. You will play a key role in designing and implementing clinical, preclinical, and mechanistic studies that support the efficacy and differentiation of our portfolio.

You will join a dynamic, multicultural team of more than 50 scientists and collaborate closely with internal stakeholders and external partners to generate robust scientific evidence supporting our innovations. Together, we can transform scientific discoveries into compelling consumer benefits and shape the future of beauty.

Where You'll Make a Difference

• Design and oversee clinical studies supporting the efficacy claims of natural cosmetic active ingredients.

• Manage external partners and CROs, ensuring scientific excellence and timely execution of studies.

• Plan, prioritize, and monitor projects in alignment with business objectives and stakeholder expectations.

• Contribute to the definition and implementation of complementary preclinical and mechanistic approaches, including biomarkers and ex vivo models.

• Analyze and interpret clinical and preclinical data to generate meaningful consumer benefits and differentiating claims.

• Support the preparation and communication of scientific results to internal teams and external scientific audiences.

• Collaborate cross-functionally while ensuring compliance with quality standards, regulatory requirements, and ethical guidelines.

• Work closely with colleagues across scientific disciplines to foster innovation and scientific excellence.

What Makes You the Right Fit

• Master's degree in Biology, Pharmaceutical Sciences, or a related scientific discipline.

• 8 to 15 years of experience in cosmetic clinical development and claim substantiation.

• Proven expertise in skincare and/or haircare efficacy evaluation.

• Strong experience managing CROs and coordinating clinical studies in an international environment.

• Demonstrated ability to work independently and drive projects from conception to completion.

• Solid understanding of clinical and preclinical methodologies used to support cosmetic claims.

• Excellent communication skills in both French and English.

• Strong organizational, analytical, and stakeholder management capabilities.

• Proficiency with relevant scientific and data analysis software tools.

How Would You Stand Out?

• Passion for cosmetic clinical research and a rigorous scientific mindset.

• Strong interest in natural cosmetic ingredients and their biological mechanisms of action.

• Innovative thinker who embraces new scientific approaches and technologies.

• Proactive and solution-oriented, with a strong sense of ownership.

• Ability to structure and drive complex projects autonomously.

• Collaborative mindset and commitment to team success.

• Comfortable working within an international and multicultural environment.

• Ability to build trusted relationships with both internal and external stakeholders.

Why Choose Us?

• Join a world-leading innovation company focused on science, creativity, and sustainability.

• Work alongside internationally recognized experts in cosmetic research.

• Be part of a diverse and collaborative scientific community.

• Access ongoing learning and development opportunities.

• Contribute to the creation of innovative solutions that positively impact consumers worldwide.