Best Dog shampoo for hot spots and dry skin. A healthy coat starts with a shampoo that is properly ph-balanced to a dog's skin. RenuPlex PLUS is formulated with a base of 100% Aloe Vera and Colloidal Oatmeal for optimal ph balance to help treat dog hot spots, dry itchy skin and dog dandruff Infused with healing essential oils and natural ingredients, RenuPlex heals and moisturizes deep down like no other shampoo to create a healthy and itch free dog! Silk proteins, Omega 3 oils, and an Amino Complex to leave the coat with a brilliant shine and soft feel.