Similasan is a Swiss brand dedicated to helping families feel good about feeling better. Our gentle eye drops provide natural temporary relief from stye eye symptoms. For over 40 years, Similasan has been used by pharmacists and families in Switzerland. Similasan is a leading brand of homeopathic remedies with natural active ingredients to keep families healthy. Similasan homeopathic eye drops are made with natural active ingredients, not harsh chemicals. Similasan eye drops do not contain vasoconstrictors: chemicals that cause rebound effect. Similasan Stye Eye Relief eye drops stimulate the body's natural defenses instead of masking stye symptoms like red eyes, burning eyes, and tearing eyes. Similasan Stye Eye Relief drops provide temporary relief from stye eye symptoms like redness, burning, and tearing. Use as often as needed with no known side effects.