Horse Master Marine Poultice is a ready-to-use product for tired horse legs. This product can also be applied to the back and shoulders. Marine Poultice consists of two clays (montmorillonite and kaolinite) with astringent properties that tone and tighten the tissues. Its formula is enriched with marine active ingredients known to optimise tissue regeneration thanks to their relaxing properties. Instructions for use: Apply the first layer of the poultice against the direction of hair growth, then finish with a second layer, smoothing in the direction of hair growth. Leave on for at least 6 hours and rinse off with clean water or shampoo. Ingredients: A blend of montmorillonite and kaolinite clays, marine active ingredients rich in mineral salts and trace elements, glycerine.