Extend the life of your nail polish and prevent staining of your natural nails opi natural nail base coat will also help to prolong the life of your manicure opi natural nail base coat is the perfect foundation for any opi nail lacquer to use ensure your nails are clean and free from colour to apply begin at the centre of your nail approximately a couple of mm from your cuticle let the bristles fan out for maximum coverage with each brush stroke brush out to the free edge apply to eac