One Step Nail Mender - nail repair is just one easy step away! Barielle’s One Step Nail Mender's clear, no-mess formula instantly fixes split or broken nails while adding a beautiful, high shine. No more dealing with clumpy glues! One Step Nail Mender can even be worn over existing nail polish. This moisturizing formula also provides a perfect foundation base coat for your nail polish, while repairing cracks, splits and breaks. Helps smooth unevenness and ridges so that polish goes on smoothly a