OPI Nail Envy Original Strengthener with TriFlex Technology (15ml) is part of OPI's Original Formula for Maximum Strength, crafted to bestow you with harder, stronger, and longer natural nails. Formulated with Calcium and Hydrolysed Wheat Protein and OPI's unique TriFlex Technology, this nail strengthener not only fortifies the nails but also supports their consistent growth, making them stronger than ever.
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