In the Sisley laboratories, researchers and toxicology experts work together to ensure the most appropriate selection of active ingredients while guaranteeing their effectiveness and their safety in each formula…

Clinical trials for effectiveness and safety are conducted for all Sisley products under dermatological control by independent clinical research centers.

Sisley’s products are only put on the market once it has been satisfactorily proven at the term of a long research process that a product is both safe and effective.