WHEN TO USE:USE HYCOSAN FRESH FOR SOOTHING RELIEF OF IRRITATED OR RED EYES, PARTICULARLY BENEFICIAL FOR DIGITAL DEVICE USERS. HOW IT WORKS:WITH ITS GENTLE FORMULA INCLUDING 0.03% HYALURONIC ACID AND EUPHRASIA, HYCOSAN FRESH LUBRICATES THE EYE SURFACE, PROVIDING RELIEF FROM IRRITATION AND DRYNESS.