OPI NATURE STRONG (VEGAN) The first high quality all natural and vegan nail polish by OPI. Each polish is design to last up to 7 days with a long-lasting shine to the color. Also, the base coat is already incorporated within the color and a top coat is optional and not mandatory. It is easy to apply

 OPI Nature Strong is formulated with ingredients that are derived from sugar cane, manioc, wheat, potatoes, corn, and clay. Are OPI Nature Strong items vegan? Yes! OPI Nature Strong is our first-ever vegan nail polish formula.