Join L’Oréal Research & Innovation: Shape the Future of Beauty!
For over 100 years, L’Oréal has been transforming beauty through science. Today, in a world driven by digital and scientific revolutions, we are pushing the boundaries of innovation to meet the evolving needs of consumers worldwide. At L’Oréal R&I, we create safe, sustainable, and responsible beauty products and experiences that change lives.
With more than 4,000 experts across our global research centers, we are a passionate, collaborative, and forward-thinking community.
Ready to become an Internpreneur?
We are looking for curious and bold minds to join our teams in 2026 in the following fields:
Subject:
PROJECT 1
The "Evaluation
Intelligence" department plays a key role in transforming evaluation
science into a strategic lever, ensuring that our product promises are
understood, relevant, and validated worldwide. By joining the International
Consumer Science team, you will be at the heart of issues linking product
performance to consumer satisfaction and trust.
Your Main Mission Within an international and dynamic environment, your mission will be to create and develop a harmonized guide of best practices for validating consumer claims. Today, how we test and validate what our consumers think of our products is crucial for our communication. Your work will ensure global consistency and methodological excellence, taking into account local specificities. This guide will become the reference for all our Consumer Science teams worldwide.
Your Responsibilities and Key Tasks To successfully complete this strategic mission, you will be required to:
- Scoping and
Collection Phase:
- Map out key experts and contacts within Consumer Science teams in our strategic HUBs (e.g., Europe, North America, Asia, etc.)
- Organize and conduct interviews to collect and understand current practices, methodologies, and processes in each region.
- Collaborate with regulatory teams to gather and analyze country-specific legal frameworks concerning product claims
- Analysis and Synthesis Phase
- Analyze and compare collect data to identify convergences, divergences, and existing best practices.
- Synthesize this information clearly and structurally to extract the pillars of a harmonized methodology.
- Creation and Formalization Phase:
- Draft the "Best Practices Guide" in English. This document must be scientifically and regulatorily rigorous, yet also educational and easy for operational teams to use
- Propose decision trees, checklists, and templates to facilitate the daily application of the guide
- Prepare a concise and impactful presentation of your work for department management
What this internship will bring you:
- A 360° view of consumer studies within an international group.
- Development of project management skills in a multicultural context.
- Interaction with a wide variety of professions (Consumer Science, Regulatory, Marketing...).
- The opportunity to leave a lasting mark within R&I with a concrete and high-impact deliverable.
PROJECT 2
Creation
of a "Cleansers and Hygiene Methods Book" by compiling protocols.
Comparative analysis of different study types for the evaluation of these
products and their specificities. Capitalization and transmission of expertise
within the team.
PROJECT 3
Analysis
of Sensory Evaluation databases and updating of sensory lexicons for the
Haircare universe (shampoo, treatments). Animation and implementation of
training sessions for trained sensory panels and sensory experts.
PROJECT 4
- Promote the expertise of the Evaluation Intelligence department
- Design and produce impactful communication materials (presentations, brochures, videos, infographics, etc.) to promote the department's projects and expertise to an internal and/or external audience.
- Support the organization of internal and/or external events to enhance the visibility of the department and its achievements.
- Optimize the department's internal communication:
- Audit, update, and energize existing communication materials (collaborative platforms, practical guides...).
- Train teams in the optimal use of internal communication tools (SharePoint type).
- Develop specific communication tools for each area of expertise:
- In collaboration with experts from each scientific domain, create clear and attractive communication materials (lexical cards, presentations, etc.) to facilitate the understanding and dissemination of knowledg
PROJECT 5
Facing
these innovation challenges, you will be at the heart of L'Oréal's strategy by
piloting methods for evaluating beauty experiences as well as new testing
protocols. Motivated by a professional project focused on evaluation skills and
experience design, your mission will be to:
- Conduct a literature review on Sensory Design and Emotions.
- Develop test protocols to formulate recommendations for innovation project teams and take charge of the complete organization of the study.
- Collect, analyze, and interpret emotional, physiological, and implicit measurement data.
- Showcase your work through oral presentations internationally.
PROJECT 6
- Familiarize yourself with sensory evaluation techniques already used at L'Oréal.
- Immerse yourself in the professional expertise of L'Oréal's hairdresser experts to understand and master the world of hair coloring.
- Set up studies to decode the link between visual color evaluation criteria and its instrumental evaluation.
- Propose concrete recommendations and test designs based on your academic knowledge, in alignment with the results of conducted studies and the operational realities of the profession.
PROJECT 7
From
L'Oréal's Research & Innovation site in St-Ouen, and within the Evaluation
Intelligence team, you will actively contribute to the innovation of hair
coloring products. Your main mission will be to develop and perpetuate methods
for training and performance monitoring of color evaluation. This strategic
approach is essential to optimize the performance of our products. Here are the
details of your missions:
- Optimize training and follow-up: You will contribute to the optimization of training and performance monitoring for our expert evaluators. The objective will be to make these processes innovative, robust, and flexible in the long term, in perfect alignment with the constantly evolving needs of the market and the environment.
- Immersion and mastery of hair expertise: Trained by our hairdresser experts, you will develop in-depth knowledge of hair coloring, from application to product performance evaluation, to anchor our methods in real-world practice.
- Evolve our evaluation methods: You will learn sensory and cognitive evaluation methods applied to hair coloring products (consumer and professional) and you will be proactive in continually evolving them.
PROJECT 8
Harmonization and optimization of the quality system within the Hair Product Evaluation department. Reporting to the Evaluation Intelligence Quality Manager, you will play a central role in the harmonization, rationalization, and optimization of the quality system and its deployment within the Hair Evaluation Intelligence department. You will contribute to the adoption and promotion of Quality within the teams, thereby strengthening the excellence of our product evaluations and the performance of our processes. Your
missions:
- Analyze and harmonize the documentary system.
- Participate in cross-functional projects in collaboration with central teams, such as the project for structuring evaluation study processes.
- Support and ensure quality monitoring of external partners and support quality management within the department.
- Draft and optimize key processes and procedures
- Support the implementation of practices, assist in formalization and document dissemination.
- Create communication tools aimed at promoting and disseminating the quality approach.
- Support operational teams in applying best practices and quality standards.
PROJECT 9
Taking
control of the polychromatic HDRS device. Evaluation of the performance of
formulas with different galenics and different types of resistance. Comparison
to current ISO standards.
Your Profile:
You are pursuing a Master’s degree (Year 1 or 2) in engineering school or university (sensory evaluation, chemistry, biology, consumer science, regulatory affairs, pharmacy, communication, cognitive sciences, neuroscience, data science)
Skills in data science or AI are a plus.
You are analytical, detail-oriented, and comfortable in English (B2 minimum).
You are a team player who can work independently, with a proactive mindset and results-driven approach.
You are passionate about science and innovation.
Why Join Us?
Purposeful Projects: Contribute to initiatives that shape the future of beauty.
Personalized Support: Benefit from HR coaching and join a community of 200 interns and apprentices.
Unlimited Learning Opportunities: Access over 4,000 resources on our online learning platform.
A Unique Experience: Participate in exclusive events, collaborate with experts, and discover the behind-the-scenes of beauty innovation.
Tangible Benefits: Competitive compensation, access to the company restaurant, and much more.
Your Journey Starts Here:
Apply: Send us your CV (no cover letter needed).
HR Discussion: Share your ambitions with our recruitment team.
Team Interview: Meet our managers to explore your future mission.
And as a bonus…
Access exclusive tips to enhance your CV and ace your interviews.
Join us and create the beauty that moves the world.