Check the listing for details. Shapley MTG Plus Herbal Scent Skin Issues Rain Rot Oil Based Horse Equine 32 oz. Condition: New. Listed at 27.41 USD. Same great formula and features as Original MTG, now with Herbal Scent! (Shapley's) An effective, time-proven remedy for dermatitis problems. Highly recommended by veterinarians for a variety of skin conditions, Original M-T-G is a single-source solution for fungus, rain rot, scratches, mud fever, greasy heel, girth itch, dandruff, itchy skin and tail rubbing. An oil-based product that balances a drying and healing action with moisturizers, keeps the skin conditioned, creating a barrier against the elements. Offers quick relief and visible hair growth in 3-5 days and is ideal for use on skin where winter blankets have rubbed hair off. Does not require washing or water for application, making it ideal for cold weather use.