
An Air Liquide Healthcare company, subsidiary of the Air Liquide group, Seppic (www.seppic.com) has been designing, manufacturing, and marketing unique ingredients for cosmetic, pharmaceutical, nutraceutical and veterinary products since 80 years. These ingredients are used by consumers, patients, and professionals. Seppic combines multiple expertises in the fields of polymers, surfactants and emulsion technologies, active ingredients, biology, immunology, formulation, green chemistry, extraction and biotechnologies.
Combining the dynamism of an international company on a human scale with the solidity of a large group, Seppic is grooming a team of nearly 880 talented men and women around the world who are passionate about what they do every day and serve customers for health, well-being, and beauty of all.
Joining Seppic means notably :
- Following a complete integration process: personalized onboarding, presentations of activities (CSR, marketing, operations, sales, ...), mentoring, close HR follow-up, discovery report, ...
- Be part of a multicultural company where many different jobs and solid expertise are combined, allowing for professional growth and offering great career opportunities in France and abroad.
How will you CONTRIBUTE and GROW?
Au sein de la Direction Recherche & Innovation, dans l’Unité Recherche & Innovation Applications, et en particulier l’équipe produits existants et nouveaux marchés, vous êtes en charge de la valorisation technique des ingrédients cosmétiques déjà sur le marché. L’équipe a pour mission de générer de nouvelles données pour le portefeuille de produits commercialisés.
Vos principales missions seront les suivantes :
Formulation & suivi stabilités
Sur la base du cahier des charges établi, réaliser, si nécessaire, une étude bibliographique ou veille scientifique pour l’élaboration du plan expérimental à mettre en place
Réaliser des formulations cosmétiques sous diverses formes galéniques (solution, moussant, émulsion, gel aqueux, gel crème)
Suivre la stabilité, sur la base de caractéristiques organoleptiques et applicatives des formulations
Caractérisation et Évaluation
Assurer la caractérisation des formulations : mesures de rhéologie, analyse de texture, analyses in vitro (solaire, maquillage…), évaluation sensorielle
Participer à la mise à jour ou à la création de méthodes de travail en lien avec les activités
Exploitation et présentation des résultats : exploiter les résultats sous forme de compte-rendu technique et/ou de présentations, et éventuellement les présenter aux équipes R&I ou marketing.
Are you a MATCH?
Maîtrise des outils informatiques usuels et bon niveau d’anglais écrit (oral souhaité)
Esprit collaboratif
Rigueur, créativité, curiosité scientifique
Ouvert, envie d’explorer des nouvelles applications cosmétiques
Our Differences make our Performance
At Air Liquide, we are committed to build a diverse and inclusive workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world.
We welcome and consider applications from all qualified applicants, regardless of their background. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world.

Air Liquide is a world leader in gases, technologies and services for industry and healthcare. Present in 72 countries with 67,800 employees, the Group serves more than 4 million customers and patients. Oxygen, nitrogen and hydrogen are essential small molecules for life, matter and energy. They embody Air Liquide’s scientific territory and have been at the core of the Group’s activities since its creation in 1902.
Taking action today while preparing the future is at the heart of Air Liquide’s strategy. With ADVANCE, its strategic plan for 2025, Air Liquide is targeting a global performance, combining financial and extra-financial dimensions. Positioned on new markets, the Group benefits from major assets such as its business model combining resilience and strength, its ability to innovate and its technological expertise. The Group develops solutions contributing to climate and the energy transition—particularly with hydrogen—and takes action to progress in areas of healthcare, digital and high technologies.
Air Liquide’s revenue amounted to more than 27.5 billion euros in 2023. Air Liquide is listed on the Euronext Paris stock exchange (compartment A) and belongs to the CAC 40, CAC 40 ESG, EURO STOXX 50, FTSE4Good and DJSI Europe indexes.