JUVÉDERM® Ultra 4 Advanced Hyaluronic Acid Filler – Sculpted Definition & Long-Lasting Volume. PRODUCT DESCRIPTION Juvéderm® Ultra 4 is a premium Hyaluronic Acid filler from the Allergan Juvéderm Vycross™ collection — one of the world’s leading filler brands. Ultra 4 is designed with a thicker gel structure and a higher level of HA cross-linking compared to Ultra 3, making it ideal for areas requiring stronger lifting capacity and enhanced facial contour definition. The product delivers noticeable yet soft and natural-looking results and is widely used in advanced treatments at professional aesthetic clinics and beauty centers. MAIN INGREDIENTS • High cross-linked Hyaluronic Acid (HA) • Lidocaine – for a more comfortable injection experience • Safe biocompatible buffering solution Contains no animal-derived ingredients and is suitable for most patient profiles.