Supreme Products Mane and Tail Builder. The Supreme Products Mane and Tail Builder is the perfect product to help promote hair growth to make your horse or pony look their best again. Perfect for use on damaged or rubbed manes and tails, Mane and Tail Builder can also help calm skin conditions and promote growth on rubbed patches on the skin. Mane and Tail Builder contains Cade Oil which has been proven to provide relief from skin problems and hair loss in people and animals for conditions such as psoriasis and eczema. This product also contains UV filters to help provide protection from the sun and avoid sunburn.