Created in 1992 and based in Fougères (Ille-et-Vilaine, Brittany), HTL specialises in the production and purification of hyaluronic acid and has expanded into R&D on other biological polymers for pharmaceutical and medical applications. The company differentiates itself through its ability to produce ultra-high molecular weight hyaluronic acid, enhancing stability and effectiveness for injectable products in ophthalmology, rheumatology, and dermatology. HTL is also one of the few global players capable of producing large volumes of pharmaceutical-grade HA, with many clients considering its products the highest quality available on the market.