Evaluation of the safety of a non‐animal stabilized hyaluronic acid (NASHA – Q‐Medical, Sweden) in European countries: a retrospective study from 1997 to 2001

Background In Europe, several filler devices are currently on the market for use in aesthetic dermatology and some of them cause severe, permanent, adverse reactions. Since 1996 a non‐animal stabilized hyaluronic acid (NASHA) from Q‐Medical, Sweden, has been introduced and is becoming a leading product in aesthetic dermatology. Hyaluronic acid has no species specificity and skin testing is not recommended before treatment. Objective Our purpose...