Protect Your Dog’s Skin with Aranex Isomune-F Lotion Protect your furry friend’s skin from harmful external factors with Aranex Isomune-F Lotion. This lotion is specially formulated for dogs to soothe and protect their skin. It contains Isomune-F, a unique blend of natural ingredients, that helps to maintain the skin’s natural barrier and protect it against environmental aggressors. Whether your dog has dry, itchy, or irritated skin, Aranex Isomune-F Lotion is the perfect solution to keep their skin healthy and hydrated.