OPI GelColor ProHealth comes in over 140 of your favourite OPI shades. You'll never be short of inspiration when it comes to choosing a shade or putting together your nail art look. With your GelColor manicure lasting over two weeks, you'll spend less time at the salon and more time doing the things you love. OPI's TruCre Technology will leave you with a stronger, shinier GelColor manicure Infused with calcium and a proprietary vitamin complex to strengthen nails during gel use and removal.