Enhance your silhouette with a Non-Surgical Bum Lift (BBL) with PLLA. Factors Affecting Longevity The longevity of bum filler injection results is influenced by several factors: 1. **Type of Filler Used:** Hyaluronic acid fillers are the most common, offering results that typically last 6-18 months. Calcium hydroxylapatite (CaHA) fillers tend…