A rock solid choice to strengthen and protect, this protein-rich treatment encourages healthy nail growth. It's especially beneficial for weak nails or post gel and artificial nail removal. Apply a thin layer over bare nails, or use as a base or top coat. For best results of nail strengthening, apply a thin layer the next day and every day until you change your nail polish. .5 Fl. Oz. 15 mL Deborah Lippmann Women's Hard Rock - Nail Strengthening Base & Top Coat A great designer gift. Shop Deborah Lippmann at Barneys New York.