Billionails is the second step in Essie's three party nail strengthening system. After successful use of Millionails, graduate to Billionails to sustain nail strength & growth. Enriched with vitamins A & D, wheat & vegetable proteins, Billionails hydrates & nourishes the nails. Use as a base coat or top coat with your favourite Essie Nail Polish. Graduate to step three, Trillionails, for optimum results. Directions for use: Apply on clean natural nails, avoiding the cuticle area. Apply an additional coat every other day. Remove with nail polish remover every week & begin regimen again. For best results, apply for a maximum of 90 days. After 90 days, nails will be ready for Step 3, Trillionails.