If it's just in odd patches massaging cornucresine into the skin really helps make the hair grow. If its all over feedmarks equidermis is really good. It's also good for changing coats i.e winter to summer especially.
Corner Crescine is absolutely brill!!
i know it is for their hoof's but it actualyl says on the packet - 'good for hair re-growth'!!!! try it i tell you its greaT!!!