Table 1 Turnover rates of topically applied 0.1% fluorescein hyaluronic acid (F-HA), 0.1% hyaluronic acid and saline obtained from 10 subjects
Subject no.Turnover rate (%/min)
F-HAHyaluronic acidSaline
17.619.428.1
212.222.631.0
32.922.631.8
49.520.433.2
54.621.433.4
68.622.237.1
715.224.229.6
88.420.424.1
95.317.127.8
107.121.333.9
Mean (SD)8.1 (3.6)21.7 (2.8)31.0 (3.7)
  • The turnover rate of F-HA was significantly lower than those of hyarulonic acid and saline (p = 0.00012 and p = 0.00000022, respectively; Mann–Whitney test).