A composition having a pH in the range of from 3 to 8.5, comprising: (a) in the range of from 0.1 % to <；10% w/w (based on the total weight of the composition) of a stock solution comprising a mixture of bioflavonoids and fruit acids or salts thereof； (b) sodium hyaluronate； and (c) water； and, optionally, (d) a pharmaceutically acceptable carrier therefor； wherein the sodium hyaluronate has an average molecular weight of between 800,000 and 4,000,000.
