When your family members get pink eye, give them gentle relief with Pink Eye Nighttime Gel. Similasan eye drops stimulate your body's natural ability to temporarily relieve symptoms without potentially irritating ingredients. Many other eye drops have vasoconstrictors that may actually worsen the symptoms of bloodshot eyes if used more than directed. With Similasan you can feel good about helping your family feel better without the use of harsh chemicals. Can be used with contact lenses. Drops will not damage lenses but performance might be better when applied without lenses.. Features Pink Eye Nighttime Gel provide temporary relief from pink eye symptoms like redness, burning, watering, irritation, and grittiness; Use as often as needed with no known side effects; Similasan is a Swiss brand dedicated to helping families feel good about feeling better; Ingredients: Borate Buffer, Purified Water, Silver Sulfate (as preservative), Sodium Hyaluronate, Sodium Nitrate; Specifications Size: 10 ml; Weight: 0.11 lbs; .