Thealoz Duo: Thea’s most advanced preservative-free combination of Sodium Hyaluronate and Trehalose - for lubrication, hydration and protection of all dry eyes – in a hypotonic formulation that can be used with contact lenses. Blephasol Duo: Blephasol Lotion is an aqueous cleansing solution for gentle cleansing of the eyelids and lashes, and has been specially formulated to be kind to both skin and eyes using a micellar solution. Apply to the wipes contained and gently wipe the eyelid and lash area.