smashbox: 24 HOUR PHOTO FINISH SHADOW PRIMER 0.41 fl. oz. / 12ml WHAT IT IS A nourishing eye shadow primer that helps shadow stay put for up to 24 hours. Infused with a Silkscreen Complex, this ophthalmologist-tested primer creates a silky barrier that perfects the canvas by smoothing skin and strengthening it against damage from environmental aggressors like pollution and blue light. The vegan and cruelty-free formula goes on clear, intensifies shadow's color, and helps keep it transfer, sweat and humidity-resistant.