Natural nail strengthener for sensitive & peeling nails!OPI Sensitive & Peeling Nail Envy is a formaldehyde-free formula that uses anti-oxidant vitamin E & emoillient-rich Kuikui nut oil along with soothing Aloe Vera to promote strength, bonding & better cohesion within weak, sensitive & peeling nails. By using every other day you can combat nail weakness with this high quality treatment. Although it works best when in contact with the nail, Sensitive & Peeling Nail Envy can also be used as a topcoat over nail lacquers to add depth & protection to colours. Directions for use: Apply two coats to each for maximum effect & coverage. Follow this by applying one coat every other day. If you have applied Nail polish over your treatment, remove everything & re-apply after a week.