Other Information: Active ingredients are manufactured according to homeopathic principles. No stinging or burning. Relieves ears clogged with trapped water. Natural active ingredients. Homeopathic. Original Swiss Formula. Similasan, trusted for over 40 years in Switzerland. No harsh chemicals. Feel good about feeling better. www.SimilasanUSA.com. Questions? Reach our representatives at 1-800-240-9780 or getinfo(at)similasanusa.com. www.SimilasanUSA.com. Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated. Made in Switzerland.