What it is: A limited-edition nail collaboration with fashion designer Phillip Lim, featuring an improved formula with a high-gloss finish. What it does: The NARS 3.1 Philip Lim Nail Collection is the designer’s articulation of his signature style and is inspired by the shades that exist in shadows. The nail lacquer collection ranges from jewel tones to contrasting nudes that evoke the modern mood of the season.