Check the listing for details. Shapley's Original M-T-G Plus Oil Herbal Horse Aid Skin Relief Quart - 2 Pack. Color: Multi-colored, Condition: New, Made in US. Listed at 52.49 USD. Shapley's Original M-T-G plus is the same great formula as Original M-T-G with a light herbal scent. It is an easy to use, veterinarian recommended product providing quick and effective relief from a variety of fungal skin problems such as: rain rot, scratches, girth itch, sweet itch, dry skin and tail/mane rubbing. It provides results, in many cases, after a single application. Original M-T-G plus creates a healthy environment for the hair follicle, producing maximum growth while keeping the length of the hair shaft soft and pliable for minimum breakage. In fact, users report up to 3 Inch of new growth on manes and tails in a single month. Horsemen worldwide know Original M-T-G plus as the single solution for both skin healing and hair growth. Original M-T-G plus is also safe and effective on dogs, small animals and livestock.