HomeProduct SPECIFICATIONApply 2 coats to bare nails followed by an additional coat daily. Remove on day 7 if desired. Apply 2 coats to bare nails followed by an additional coat daily. Remove on day 7 if desired. Filter Showing all 8 results Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Random Sort by editor review OPI Nail Envy Pink Nail Strengthener Treatment – Powerful Pink 15ml £23.46 Brand: OPI OPI Nail Envy Blue Nail Strengthener Treatment – All Night Strong 15ml £23.46 Brand: OPI OPI Nail Envy Nail Strengthener Treatment – Original 15ml £23.46 Brand: OPI OPI Nail Envy Nude Nail Strengthener Treatment – Double Nudey 15ml £23.46 Brand: OPI OPI Nail Envy Sheer Pink Nail Strengthener Treatment – Bubble Bath 15ml £23.46 Brand: OPI OPI Nail Envy Pink Nail Strengthener Treatment – Pink to Envy 15ml £23.46 Brand: OPI OPI Nail Envy Red Nail Strengthener Treatment – Big Apple Red 15ml £23.46 Brand: OPI OPI Nail Envy White Nail Strengthener Treatment – Alpine Snow 15ml £23.46 Brand: OPI