National Organization for Rare Disorders
Under-eye dermal fillers , also known as tear trough fillers , are injectable treatments designed to restore volume and reduce the appearance of hollowness and shadowing beneath the eyes
Moore, MacMaster, Stewart, & Rosenberg, 1998
doi: 10.1073/pnas.1607235113 62 YeJLiYWangXYuMLiuXZhangHet al
The platform motion and tilting intervals were optimized to reduce medium backflow and to generate higher flow rates in one direction (unilateral flow) to avoid symmetrical bidirectional flow conditions that might affect barrier formation 32 For each motion cycle, the platform moved for 5 s until reaching the predetermined angle, which was then kept for 30 s to support the high flow rate
If combining with an active treatment, timing recommendations should come from your provider