“…11,13,15,17,19,20 HA fillers are the most commonly used injectables for NSR procedure. 9,13,15,17,19,20 The growing popularity of NSR among patients and physicians might be attributed to the lower costs, short recovery period, reversibility (if done by HA fillers), prompt obvious results, and perceived safety as a semi-invasive procedure compared to surgery. 9,[13][14][15][16][17]19,20 Studies show that NSR is generally safe and the rate of reported side effects is low.…”