Question: is opi nail envy formaldehyde free?
Answer: Nail Envy Nail Strengthener for Sensitive & Peeling Nails by OPI features a strengthening formula with vitamin E and kukui nut oil that helps soothe and protect nails against peeling. Formaldehyde-free. Apply two coats to clean, dry nails with cuticles pushed back, followed by one coat every other day.