What it is: Instant volume and length that resists clumping and smudging.Who its for: Safe for sensitive eyes and contact lens wearers. What it does: This opthamologist tested mascara can stand up to heat, humidity or an active day. How to use: Start at the base of lashes and wiggle brush up to the tip of lashes repeating as many times as necessary to build. Pro tips: Do not pump brush in container because it can dry out the mascara.