Similasan Stye Eye Relief, 0.33 fluid ounce (10 mL) dropper bottle. Homeopathic eye drops that stimulate the body’s natural ability to temporarily relieve symptoms of styes, such as redness, burning, dryness, and tearing. No vasoconstrictors. 100% natural active ingredients: Conium maculatum 6X, Graphites 12X, Sulphur 12X.