Homeopathic. Eye doctor recommended. 100% natural. Relieves itching, burning an watering associated with allergies. Sting-free formula. Sterile eye drops. Original Swiss formula. Give your eyes soothing relief from irritating allergens such as pet dander, mold spores and more with Similasan's Allergy Eye Relief eye drops. Eye Doctor-recommended Similasan Allergy Eye Relief stimulates the eye's natural ability to relieve the symptoms of allergies such as burning, itching, redness and excessive watering of your eyes. For over 25 years, our Original Swiss Formulas - always made with 100% natural ingredients - have been providing families with remedies that are naturally effective and safe and have no known side effects or drug interactions. Apis: burning, itching, stinging. Euphrasia: redness, swelling, watering. Sabadilla: watering, redness of lids. Active ingredients are microdiluted in accordance with the Homeopathic Pharmacopoeia of the United States, and are therefore non-toxic and have no known side effects. Made in Switzerland.