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Anastasia Beverly Hills Covet Waterproof Eyeliner
Makeup artist Emily Kate Warren was wearing this eyeliner recently at an outdoor festival where the temperature reached 104 degrees. "When I got home that night, its color and placement had not changed a bit," she raves. "It was a beauty miracle." Other selling points: the pencil's rubber grip; narrow, self-sharpening point; and saturated color range (from azure to true, inky black).

($19; Ulta.com)