Keratex Hoof HardenerStrengthens weak, cracked hooves while hardening and protecting Works to Improve the molecular structure of the horn itself Forms intermolecular bonds through the process of cross linking Cross linking produces a harder, tougher and stronger horn Equally effective in wet and dry weather conditions Unique formulation maintains the proper moisture balance 250 ml with applicator brush Apply to lower half of hoof and sole. DO NOT APPLY TO THE CORONET BAND