Similasan allergy eye relief sterile eye drops are a homeopathic remedy. These sterile eye drops come packaged in one 10 ml. Dropper bottle and are free of harsh vasoconstrictors. This is a product of switzerland. Active ingredients are manufactured according to homeopathic principles and include apis mellifica. country of origin : united states size : .33 fz pack of : 1 selling unit : each ingredients : borate buffer;purified water;silver sulfate (as preservative);sodium nitrate;apis mellifica 6x purpose burning;itching;stinging euphrasia officinalis (eyebright) 6x purpose redness;swelling;watering sabadilla 6x purpose watering;redness of lids keywords : dust;itchy;pollen;redness;springtime;watery