1. Composition:
   • Hylenex contains hyaluronidase, an enzyme that breaks down hyaluronic acid, which is the main component of many popular dermal fillers like Juvederm, Restylane, and Belotero.
2. Mechanism of Action:
   • Hylenex works by catalyzing the hydrolysis of hyaluronic acid, thereby reducing its viscosity and allowing it to be absorbed and eliminated by the body more quickly.
3. Indications:
   • It is commonly used to correct overfilling, asymmetry, or lumps caused by hyaluronic acid fillers.
   • It can also be used to treat vascular complications or other adverse reactions related to hyaluronic acid filler injections.
4. Administration:
   • Hylenex is injected directly into the area where the hyaluronic acid filler needs to be dissolved. The procedure should be performed by a qualified medical professional who is experienced in using hyaluronidase.
5. Effectiveness:
   • Results can be seen fairly quickly, often within hours, though complete dissolution may take a few days depending on the amount of filler and individual patient response.
6. Safety and Side Effects:
   • Hylenex is generally considered safe when administered properly, but potential side effects include swelling, bruising, and allergic reactions. It’s important to conduct a patch test to check for allergies to hyaluronidase before treatment.

In summary, Hylenex is a reliable and effective option for dissolving hyaluronic acid-based dermal fillers, offering a solution for correcting unwanted or problematic filler results.