Exma Rid Dry Skin Formula contains a scientifically formulated blend of natural oils including Starflower Oil, nature's richest source of Gamma Linolenic Acid (GLA). Starflower Oil contains almost three times more natural GLA than Evening Primrose Oil & is well known for its nourishing & moisturising effects on dry skin. It is also essential in maintaining general good health & a normal healthy metabolic balance. To help maintain a healthy, supple skin simply add Exma Rid Dry Skin Formula to your pet's food on a regular basis.