The market for aesthetic surgery has grown rapidly. However, some offers are questionable — and can have serious health consequences. 

This film reports on hyaluron, an active ingredient caught between misuse and normality, whose triumphant advance is changing the faces of more and more people — through both licensed and unlicensed procedures. Customers, practitoners, medical experts and investigators share their perspectives on the subject.

For more on this series, follow this link