- Location
- Pontoise Île-de-France France
- Employment
- Internship
- Seniority
- Intern
- Posted
- Oct 26, 2026
About Clarins
Founded in Paris in 1954 by Jacques Courtin-Clarins, Clarins is a family-owned beauty house renowned for its plant-inspired skincare, makeup and spa expertise. Combining scientific research with a close understanding of customers’ needs, the brand has built an international presence while preserving its French heritage. As an employer, Clarins brings together specialists across research, product development, manufacturing, retail and corporate functions, united by a commitment to quality and service. Its emphasis on responsible beauty, innovation and long-term stewardship offers a distinctive professional environment for those seeking to contribute to an established beauty house with an entrepreneurial spirit.
Clarins seeks a Bac+5 student for a six-month internship starting in February or March 2027, based in Pontoise and reporting to the microbiology laboratory manager. The intern will assess the impact of formula modifications on antimicrobial protection, helping evaluate the microbiological safety of products during development.
Role & Responsibilities
- Assess the available data.
- Prioritize study areas and develop the experimental plan and Gantt chart for the trials.
- Prepare simple cosmetic formulations.
- Conduct microbiological efficacy tests.
- Synthesize the study findings.
Qualifications
- Passion for cosmetics.
- Curiosity and a proactive approach, with the initiative to explore new avenues.
- Analytical and critical-thinking skills, including the ability to interpret data and results and make recommendations.
- Ability to work autonomously and stay organized, prioritize tasks, and meet deadlines in a project environment.
- Collaborative team player who integrates easily and communicates effectively with multidisciplinary teams.
- Scientific rigor in methodology, protocol monitoring, and documentation.
- Project management ability, including planning, coordination, and tracking operational milestones.
- Initial experience in a microbiology and/or cosmetics laboratory.
- Interest in formulation.
- Currently pursuing a Bac+5-level degree in microbiology, cosmetic formulation, or biotechnology.
- Good knowledge of Excel.
Skills
Experience
Initial experience in a microbiology and/or cosmetics laboratory.
Education
Currently pursuing a Bac+5-level degree in microbiology, cosmetic formulation, or biotechnology.
Workplace
This position is based in Pontoise, Île-de-France, France, within easy reach of Paris.
Explore jobs in Île-de-France or in France.
Benefits
65% public-transport costs covered; complimentary meals at the company restaurant; compensation of up to €1,650 depending on the level of degree being pursued; unlimited access to the Digital Learning platform; support from dedicated teams and an active student community; potential opportunities for fixed-term or permanent employment after the internship.
Culture
As a family-owned French beauty group, Clarins combines an entrepreneurial spirit with a culture rooted in botanical expertise, scientific innovation and close attention to customers. Its workplace values collaboration, the transmission of know-how and a shared commitment to responsible beauty, connecting professional excellence with care for people and nature.
About Cerulean
Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.