Abstract
Demand for non-surgical body contouring and cellulite treatment continues to grow, yet the question patients ask first – how long will this last? – is poorly served by a literature dominated by 4- to 12-week endpoints. We reviewed clinical studies of device-based and injectable modalities reporting outcomes beyond the last treatment visit. Durability segregated by mechanism rather than by device category: interventions that irreversibly remove adipocytes or release fibrous septae sustained benefit for 12–36 months, whereas externally applied energy devices produced real but decaying change, typically attenuating within 3–6 months.