animaderm lotion for irritated skinPurifies horse skin that is heavily irritated by moisture, mud, or associated fungi and bacteria. If crusts or hair loss appear on the body, particularly in areas where water runs off (neck, back, thighs) and depending on the horse's condition, Derfongen can help remove crusts and boost epidermal regeneration. Waterproof. Resistant to mud, showering and sweat. Apply every 4 days on average. Softens and lifts crusts.