Keratex Hoof Gel. Keratex Hoof Gel has been designed for wet weather use and forms a protective, waterproof and breathable layer over the hoof to help prevent softening, splitting and breaking up of the hoof. Keratex Hoof Gel helps to keep hooves water tight allowing the correct conditions for the hooves to heal and repair. Keratex Hoof Gel is useful for hooves that soften in wet weather, horses prone to hoof deterioration, punctures and cavities in the hoof, stabled horses and those prone to sore heels during wet weather.