Alessandro SPA Sensitive Nail Hardener formaldehyde-free nail hardener enriched with coconut oil can significantly improve the condition of nails with hexanal and contributes to increased stability.
Apply one or two thin coats to carefully cleaned, grease-free and dry nails, the first coat must be completely dry before the second is applied. The nail hardener can be used alone or as a base coat. For effective treatment, continue for 6-8 weeks, for a maximum of 12 weeks. Then apply 1-2 times a week to maintain.