Stronger Nail helps protect nails from cracking, splitting, peeling and breaking. This double duty base coat is calcium and keratin enriched to add strength to weak nails while defending against damage. Double duty base coat: strengthens & protects Enriched with calcium and Keratin. Adds strength to weak nails. Increases the shield against damage. Base coat, strengthens and protects, Helps protect from cracking, splitting, peeling and breaking, Calcium & keratin enriched