PLUS ONE

Two is better than one, or at least that’s our mantra heading into the party season. Think double-duty products that will take you from day to night almost as fast as you can say RSVP.

CLOCKWISE FROM TOP LEFT: GIVENCHY ROUGE INTERDIT VINYL LIPSTICK IN NOIR RÉVÉLATEUR, $47; MOROCCANOIL LUMINOUS HAIRSPRAY, $35; NARS SCULPTING MULTIPLE DUO IN PLAYA FLAMENCO AND OAHU, $57; SHU UEMURA COLOR ATELIER OCTO PALETTE, $38 (INDIVIDUAL SHADES,...