- Location
- Pontoise Île-de-France France
- Employment
- Internship
- Seniority
- Intern
- Posted
- Nov 2, 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 is seeking a Formulation Research Intern for a six-month internship starting in February/March 2027 in Pontoise, within its Prospective Textures Laboratory. The intern will contribute to exploratory cosmetic formulation research, from literature and competitive reviews to laboratory trials, stability and microbiological follow-up, results analysis, and reporting.
Role & Responsibilities
- Conduct literature reviews and competitive studies to identify emerging trends, innovations, and new scientific approaches in cosmetic formulation.
- Contribute to the design and formulation of new cosmetic bases by exploring different approaches and conducting laboratory experiments.
- Monitor developed formulations through stability studies and microbiological testing to assess their behavior and evolution over time.
- Analyze and interpret experimental results, identify key findings, and contribute to discussions on formulation optimization.
- Prepare research summaries and reports to document experiments, formalize results, and share conclusions with the team.
- Participate actively in laboratory operations while observing good practices and health and safety rules.
Qualifications
- Currently pursuing a Bac+4/5 qualification at an engineering school or in a specialized master's program in cosmetic formulation, chemistry, physical chemistry, or a related scientific field.
- Curious, with a strong interest in research, experimentation, and cosmetic innovation.
- Rigorous and methodical, with an appreciation for experimental work and a precise approach.
- Strong analytical and synthesis skills, with the ability to take a step back and evaluate results.
- Autonomous and organized, while enjoying collaborative work.
- Proactive and willing to take initiative, explore new ideas, and take on challenges.
- Enthusiastic about discovering Clarins and contributing to its innovation ambitions.
- Good scientific knowledge of formulation, chemistry, or physical chemistry, acquired through studies.
- Initial professional experience with formulation techniques and laboratory experiments is an asset.
- Good command of Pack Office and scientific literature search engines.
- Strong scientific writing skills and ability to present scientific results.
- A good level of English is an advantage, particularly for consulting scientific documentation and communicating with international partners.
Skills
Education
Currently pursuing a Bac+4/5 qualification at an engineering school or in a specialized master's program in cosmetic formulation, chemistry, physical chemistry, or a related scientific field.
Workplace
The role is situated in Pontoise, Île-de-France, France — conveniently close to Paris.
Explore jobs in Île-de-France or in France.
Benefits
65% transport costs covered; CSE; free meals at the company restaurant; internship allowance of up to €1,650 depending on degree level; unlimited access to the Digital Learning platform; a student community active throughout the year; support from dedicated teams; a certified Happy Trainees employer with 95% student satisfaction; possible opportunities 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.
Frequently Asked Questions
The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like Clarins, titles may vary across global markets to reflect local conventions. To ensure absolute clarity, Cerulean assigns a standardised, industry-coherent canonical title to every listing. However, it is worth noting that this role is functionally synonymous with «Cosmetic Formulation Intern», «R&D Formulation Intern», «Cosmetic Science Intern», «Formulation Development Intern», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.