New OPI Nail EnvyColor + Strength. Strengthens natural nails with hydrolyzed wheat protein and calcium. Available in various classic OPI colors. / Apply easily and without streaks thanks to the ProWide brush. / Apply easily and without streaks thanks to the ProWide brush.Effect: StrengtheningSpecial feature: Paraben-freeApply every 2 days & remove after a week with OPI Acetone-Free Polish Remover. All Nail Envy products can be used as nail care or as an alternative to a base coat.