Other Information: Active ingredients are manufactured according to homeopathic principles. Misc: Homeopathic. 100% natural active ingredients. Sting-free formula relieves dryness, clears redness. Soothes & moisturizes. Sterile eye drops. Original Swiss formula. Smog, stress, age and contact lens wear can dry out the eyes but you can have soothing relief from the discomfort of dry eyes with Similasan's Dry Eye Relief sterile eye drops. Dry Eye Relief stimulates the body's natural ability to relieve symptoms of dry eyes such as redness or eyes and lids, sensitivity to light and the sensation of grittiness. For over 30 years, our original Swiss formulas - made with 100% natural active ingredients - have been providing families with remedies that are naturally effective and safe. Made in Switzerland.