Subcutaneous or intradermal injectable composition comprises: a filling agent comprising dextran sulfate, elastin, collagen, hyaluronic acid, silicones or polyurethanes gels； and fibroblast growth medium. An independent claim is included for kit in the form of syringes, containing (I). ACTIVITY : Vulnerary； Dermatological. MECHANISM OF ACTION : None given.Composition injectable par voie sous-cutanée ou intradermique comprenant: un agent de comblement； un milieu de croissance des fibroblastes.
