Leovet No Rub. Leovet No Rub is a highly effective lotion that can help reduce the itching of manes and tails and leave them dandruff free. Leovet No Rub contains Willow bark to renew the skin and assist in the normal biological processes and Bio-sulpurous fluid to prevent dandruff and Urea to calm irritated skin and prevent itching. Leovet No Rub helps to strength the skin, improve elasticity, replenishes natural oils and encouraging shiny, healthy hair from root to tip.