At Théa Pharma, customer feedback is very important to us and we would like to thank all of you for your support so far.Here is a look at some reviews our cu... To prevent cross-contamination, Thealoz® Duo dry eye drops are for solo use only and should not be shared with multiple people. How do you store Thealoz® Duo? Thealoz® Duo should be stored between 8 – 30°c and should not be kept in direct sunlight or humid conditions. Get Started.ThealozDuo is a dual-action hypotonic formula for the long-lasting treatment of dry eyes. Hydrating and protecting your eyes, soothing irritating symptoms and maintaining your ocular health. ThealozDuo Gel eye drop product packaging and branding, featuring blue and white design for severe dry eye treatment.Eye drop product called ThealozDuo being applied. Product features include 6-month use after opening and suitability for all dry eyes. How to use ThealozDuo. thealoz-duoThealozduo Drops: Drop 1 drop into the pocket of your eyelid. Do not touch the eyes or eyelids with the tip of the bottle, especially when you think you have an eye infection. Put the cap back on after use. ThealozDuoEye Drops thicken your eyes’ tear film to provide a healthy dose of hydration and lasting relief from moderate to severe dry eyes. The moisturising effects of theseeye drops have been clinically proven to last for at least 4 hours. Introducing ThealozDuo, the most advanced combination of sodium hyaluronate and trehalose to treat dry eye, learn more about Théa's ThealozDuo here.