Similasan originated in Switzerland in 1980 and became quickly known throughout Europe and the U.S. They started with a passion to help ease uncomfortable symptoms of the eyes, ears, nose, head, and chest. The brand offers eye, ear drops and cough medicines that are made from all-natural ingredients. These products are developed using traditional homeopathic methods and are FDA Good Manufacturing Practices (GMP) certified. These all-natural products provide effective and safe relief from many cold, flu and allergy symptoms. The original formulations focus on employing the human body’s natural defenses to fight common sickness. Check out their popular product Dry Eye Relief which is Gluten & dairy free. They also have Nasal Allergy Relief, Computer Eye Relief, Aging Eye Relief, Sinus Relief and Kids Cold & Mucus Relief Syrup.