Holographic lacquer, or regular air-dry nail polish, is one of the most straightforward ways to achieve a this look. "Mooncat Polish has amazing holo polish," says Rose.It has 15 holographic ...

Place under direct light to see the full rainbow effect. Get the look: Look for a black linear holographic polish like Mooncat's Nail Polish in Cruel Mirage ($15). Florals for winter? Actually ...

"Holo nails are created using either a holographic powder or polish," says celebrity manicurist Fleury Rose. "It may be layered over different colors for various shimmering effects." Unlike other ...