Check the listing for details. First Companion Epsom Salt Poultice. Condition: New. Listed at 12.99 USD. First Companion Epsom Salt Poultice First Companion Epsom Salt Poultice is a helpful natural remedy to reduce pain and swelling, ease bruises and sprains, and act as a drawing agent for hoof abscesses. The Epsom Salt Poultice works reliably without burning or blistering the skin and can be used as often as needed. 20-ounce jar Non-irritating Multiple uses Ingredients: Epsom Salt 60%; Methyl Salicylate 1.0% in a water soluble base Use First Companion Epsom Salt Poultice to pack the sole and frog to draw a hoof abscess or soothe sole bruising. Cover with a wrap or boot and let draw for 36 to 48 hours for best results. Use it under standing wraps for poulticing of legs that are tender or swollen from exercise. First Companion Epsom Salt Poultice is a nice all-around first aid and horse care product that is simple and effective.