MUD AND RAIN BARRIER AlvaBarrier – Mud & Rain Protector combines pure essential oils with our unique coat conditioner. This formulation helps to protect a horse’s coat reducing the problems caused by the mud and rain….. After brushing off and removing as much mud and dirt as possible from the horse apply AlvaBarrier – Mud & Rain Protector to the affected areas. out. Continue regularly for the first week and then as often as required depending on the weather and ground conditions. For best results, we recommend you use AlvaTeaTree Medicated Shampoo before the first application and at least once a month thereafter Features: The Alvahorse Alva Barrier Mud & Rain Protector is a formulation of Aloe Vera and pure essential oils blended together with an added bonus of coat conditioner. This unique formulation helps to prevent bacteria from penetrating your horse’s coat, prevention is kinder than cure.