Similasan Pink Eye Eye Drops Similasan Pink Eye Eye Drops provide fast, effective relief from irritated, gritty eyes caused by the common cold, flu or environmental conjunctivitis (external irritants such as foreign bodies, contact lenses, rubbing of the eyes, smoke & dust). The sterile p H balanced drops gently moisturise to cool & calm pink/red eyes & alleviate eye discomfort. Similasan Pink Eye Eye Drops can be used regularly to relieve symptoms & no side effects or drug interactions have been observed to date. All Similasan products are registered Class IIb medical devices & have been approved for use whilst wearing contact lenses, although the wearing of contact lenses is not recommended if the eye is inflamed.