OPI Nail Envy Nail Strengthener

• Strengthens and hardens weak and damaged nails
  
• Includes hydrolyzed wheat protein and calcium to help natural nails grow longer
• How to Apply: can be used as a stand-alone treatment or as a base coat alternative underneath your favorite nail polish. If wearing Nail Envy alone without nail color on top, apply two coats to clean, dry nails and, after apply one coat every day.