No Thrush is a dry approach to equine thrush treatment. Instead of adding more moisture during treatment, the fine dry particles in No Thrush adhere to the moisture from which thrush originates. Kills thrush and dries out the deepest moisture areas so that thrush can no longer exist. Safe, all-natural ingredients help soothe the hoof and promote healthy hoof regeneration. Ingredients include: Proprietary mix of natural clays, silicates, salts of copper, iron, oregano powder, diatomaceous earth.