OPI Nail Envy Tri Flex Nail Strengthener Colour:All Night Strong (NT227) | Dark Navy Choose from three popular styles:

Choose from three popular styles: Traditional Curved

Specifically designed to maintain smooth and efficient operation

000x rub test rating guarantees outstanding wear resistance for demanding

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After the sterilisation process is complete

OPI Nail Envy Tri Flex Nail Strengthener Colour:All Night Strong (NT227) | Dark Navy Choose from three popular styles:OPIs Nail Envy Original is the ultimate nail strengthener, now available in a range of stunning shades, offering both professional level results and vibrant colour. This iconic treatment combines the power of biotin, calcium, and vitamins A, C, and E to fortify and repair weak, thin, or brittle nails. Enhanced with Tri Flex Technology, it defends against chipping, peeling, and splitting, leaving your nails visibly stronger, smoother, and more