Teosyal® is a line of hyaluronic acid-based dermal fillers that offer the most complete range of 100% non-animal origin resorbable hyaluronic acid-based dermal filler products for a global and personalized treatment of the face. Hyaluronic acid maintains hydration and can be used all over the face, including lips, cheeks, forehead and the delicate skin around the eyes, as well as the neck and neckline.