Bio-Oil Skincare Oil helps improve the appearance of scars and stretch marks. Bio-Oil Skincare Oil contains the breakthrough ingredient PurCellinTM Oil, which changes the formulation’s overall consistency, making it light and non-greasy. Bio-Oil Dry Skin Gel is a new way to care for dry skin. It has 87% oil, making it an intensive moisturizer. The formulation is delivered in a breakthrough new gel format.