From the manufacturer:
Say goodbye to sliding shadow! tarte clean slate 360 creaseless 12-hour smoothing eye primer truly locks eyeshadow in place while preventing fallout and migration for truer shadow payoff. The universal shade glides on easily and powers from the morning into the evening for 12 hours of perfect wear time. This double-duty, high-performance eye product can be used as both a shadow primer and an under eye base to smooth areas around the eye, giving you a seamless application and all around 360 degree eye solutions.
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