Laboratoires Expanscience
Cosmetics and skincare with natural ingredients
Safety Evaluation Cosmetics Actives and Packaging
About the job
- You are a student in a Master's degree or engineering school specializing in toxicology and/or ecotoxicology.
- You have developed solid skills in human biology, enabling you to understand toxicological mechanisms affecting organisms and ecosystems.
- You are proficient with computer tools and understand scientific English in reading.
- You are rigorous, autonomous, and organized, and appreciate teamwork.
- Curiosity and initiative are valuable assets for the position.
- Perform safety evaluations of natural active ingredients in the nutraceutical fields, including Novel Food, NDI, and GRAS, and in dermo-cosmetics.
- Participate in establishing the evaluation strategy for new packaging as part of an eco-socio-design approach.
- Define the standards and methodologies to deploy.
- Set up and monitor tests.
- Participate in monitoring safety and toxicological studies for the existing product portfolio and products under development, including physicochemistry, biodegradability, ecotoxicology, and toxicology.
About the company
Laboratoires Expanscience makes natural cosmetic actives and sensory ingredients for skin and body care, with brands like Mustela sold in over 90 countries. The products use 100% natural actives and safe formulations designed to support wellbeing from childhood to seniors, including joint comfort and mental balance. The company differs from rivals by being independently family-owned, French, and B Corp certified, plus a strong focus on social and environmental impact through its impACT program. Its goal is to improve people’s wellbeing while protecting the planet, and to foster a positive, inclusive workplace.
Company Size
1,001-5,000
Company Stage
N/A
Total Funding
N/A
Headquarters
Paris, France
Founded
1950
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Simplify's Take
What believers are saying
- February 2026 B Corp renewal and 23-point score gain strengthen employer brand.
- November 2025 Great Place To Work recertification helps recruiting in France’s tight scientific labor market.
- June 2026 mission report and February 2026 leadership hires signal operational investment.
What critics are saying
- November 2025 drug cession to Arrow proves legacy pharma assets no longer fit strategy.
- Rivals like BASF and Givaudan crowd cosmetic-actives markets, squeezing pricing and innovation cycles.
- If U.S. nutraceutical and active launches stall, Expanscience loses its growth engine by 2027.
What makes Laboratoires Expanscience unique
- Family-owned since 1950, Expanscience anchors strategy in long-term mission governance and B Corp discipline.
- June 2026 OSMOLYA® launch shows proprietary bio-inspired active-ingredient R&D across skin and hair.
- November 2025 Arrow divestment sharpened focus on dermocosmetics, cosmetics actives, and age-wellness.
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Benefits
Hybrid Work Options
Professional Development Budget
Company News
Laboratoires Expanscience announces the launch of its new holistic active ingredient – EPIONINE®Bio – at the In-Cosmetics 2023 trade show in Barcelona.
Laboratoires Expanscience has unveiled its new Calybiota Bio active ingredient in cosmetic products for skin care and intimate hygiene.