OPI Nail Envy Nail Strengthener Original Formula
Maximum strength formula with hydrolyzed protein and calcium helps nails grow harder, longer, and stronger, and resist peeling, cracking, and splitting.
How To Use: Apply two coats, followed by one coat every other day.
Product Type: Nail Strengthener
Volume: 15 mL – 0.5 Fl. Oz.
Formaldehyde-Free & Toluene-Free