Laboratoire Expanscience

Laboratoire Expanscience is an independent French pharmaceutical and dermo-cosmetics company specializing in skin health and rheumatology. The company is best known for its global brand Mustela, which provides specialized skincare for infants and mothers, and Piasclédine 300, a pharmaceutical treatment for osteoarthritis symptoms. Expanscience also develops and markets natural active ingredients for the international cosmetic industry, utilizing advanced plant extraction technologies. In 2018, it became the first pharmaceutical and cosmetic laboratory in the world to earn B Corp certification, highlighting its commitment to sustainability and social responsibility. The company operates a major research and development center and production site in Épernon, France, focusing on lipid chemistry and plant-based solutions.