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Laboratoires Expanscience is an independent French pharmaceutical and dermo-cosmetics laboratory, acquired by NAOS group in 2023. For over 70 years, they have specialized in skin health and the treatment of osteoarthritis, offering flagship brands like Mustela (baby and maternal skincare) and Piasclédine 300 (osteoarthritis). Expanscience is also a leading global supplier of natural active ingredients derived from plants for the cosmetics industry. Committed to Corporate Social Responsibility (CSR), they are a certified B Corp, emphasizing sustainable development and positive impact throughout their operations, from ingredient sourcing to product manufacturing and distribution.
The Paris La Défense headquarters serves as the central hub for corporate strategy, global management, international business development, and overarching marketing and administrative functions.
Situated in La Défense, a prominent European business district known for its modern architecture. The Épernon site, integral to the company, houses advanced R&D laboratories and eco-designed production facilities.
Fosters a culture of innovation, scientific excellence, and strong ethical commitment, underscored by its B Corp certification. Emphasizes collaboration, employee well-being, and sustainable practices.
The Paris headquarters signifies its role as a key player in the international pharmaceutical and cosmetics landscape. The Épernon site is the heart of its innovation and manufacturing, reflecting its expertise in plant-based extraction and product development.
Laboratoires Expanscience, now part of the NAOS group, maintains a strong international presence. Its products are distributed in over 100 countries worldwide through a network of approximately 16 subsidiaries and numerous local distributors. Globally supported functions include international sales and marketing, supply chain management, regulatory affairs, and clinical research coordination to support its dermo-cosmetics, rheumatology, and cosmetic active ingredients businesses.
1 Place des Saisons
Paris La Défense Cedex
Île-de-France
France
Address: Rue des Quatre Filles, 28230 Épernon, France
Serves as the industrial and scientific heart of the company, driving innovation and ensuring high-quality production for global distribution. Leverages local expertise and resources.
Address: c/o NAOS US (Mustela), 60 E 56th St, 6th Floor, New York, NY 10022, USA
Drives brand presence and growth for Mustela within the competitive U.S. and Canadian dermo-cosmetics sector, particularly in baby and maternal skincare.
Address: Expanscience Polska Sp. z o.o., ul. Żelazna 67/77, 00-871 Warszawa, Polska
Strengthens market penetration and brand awareness in Eastern Europe, adapting global strategies to local consumer needs and healthcare systems.
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As of April 2025, Laboratoires Expanscience' leadership includes:
Laboratoires Expanscience has been backed by several prominent investors over the years, including:
Following its acquisition by NAOS in early 2023, Laboratoires Expanscience underwent a key leadership change with Barthélémy Le LART appointed as CEO in September 2023. This marked a transition from the previous long-standing leadership.
Discover the tools Laboratoires Expanscience uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Laboratoires Expanscience, like many corporations, primarily uses email formats based on employee names. A common structure is the first initial followed by the last name.
flast@expanscience.com (e.g., jdoe@expanscience.com)
Format
blelart@expanscience.com
Example
80%
Success rate
LinkedIn / Company Communication • September 1, 2023
Barthélémy Le LART has taken the helm as CEO of Laboratoires Expanscience, effective September 2023. This leadership change follows the company's acquisition by the NAOS group earlier in the year....more
Premium Beauty News • February 1, 2023
NAOS, a prominent player in skincare (Bioderma, Institut Esthederm, Etat Pur), has successfully completed the acquisition of Laboratoires Expanscience. This strategic acquisition aims to bolster NAOS's portfolio, particularly with Expanscience's Mustela and Piasclédine 300 brands, and expand its expertise in dermo-cosmetics and natural active ingredients....more
Expanscience Website • July 7, 2022
Laboratoires Expanscience announced the renewal of its B Corp certification, achieving an enhanced score of 97.3 out of 100. This recognition highlights the company's continuous commitment to high standards of social and environmental performance, public transparency, and legal accountability....more
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