For use in the treatment of Ringworm and Footrot. Active Ingredients: A green oily solution containing Copper Naphthenate (13.5%) and Veterinary Codliver Oil (5.0%) in a 250ml spray bottle. Warnings: For animal treatment only. Do not scrape, brush or remove ringworm crusts. Kopertox will penetrate and kill the infection. Removal of crusts spreads infection.