Nailberry The Cure Nail Hardener is a nail treatment. Weak and brittle nails that split or break? Here is the solution. This oxygenated and vegan formula combines patented technology with powerful natural active ingredients to deliver exceptional performance and protection. Thanks to the unique balance of mineral-rich black algae, antioxidant Acai berry extract, and a moisturizing multivitamin complex, this proven formula helps repair and protect nails. After three weeks of regular use of this nail strengthening treatment, the condition, strength, and shine of the nails improve significantly. Enjoy healthier nails! The Cure Nail Hardener is proudly: - Free from 12 - Oxygenated - Water permeable - Vegan - Certified cruelty free - Halal certified - Gluten free