Hay fever & allergy eye drops work fast by quickly soothing your eye & preventing your body from releasing histamines, which is a natural response to allergens. These eye drops help to stop the allergic reaction & relieve symptoms. Hay fever & allergy eye drops can help you with all kinds of airborne allergies such as: seasonal allergies, dust mites & pets, & mould. Experience relief in just a few minutes! Regular use will be even more effective. Applying just 1-2 drops into each eye up to 4 times per day will help treat your allergy eyes, & allow you to enjoy the rest of your day without irritations. Keep using these drops if allergens are still present around you, even if your symptoms have been relieved. You should not use these eye drops whilst wearing soft contact lenses. Suitable for adults & children over 12yrs