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Hycosan Extra Eye Drops 7.5ml Preservative Free, Free Tracked Postage UK GSL.
£13.99Hycosan Extra has been formulated with 0.2% Hyaluronic Acid. It has four times more viscous than Hycosan. This increase in viscosity, which allows a subsequent increase in duration of action, makes Hycosan Extra ideal for more severe cases of Dry Eye.