Orly Ridgefiller Smoothing Primer Basecoat
Fill the gaps in your nails with Orly Ridgefiller Primer Basecoat. Preferred by professional nail technicians, this ridge filler imparts a smooth finish that strengthens nails. It makes polish last longer on your nails, as well, and leaves them less prone to breaking and chipping. One user claims this base coat is perfect for opaque polish and does a great job of smoothing uneven nails. It may leave slight white streaks on nails, though.