The RevitaLash Volumizing Primer has a silky, matte formula that helps mascara adhere better to your eyelashes. Its blue color enhances your eye color and intensifies the mascara color. It smoothes unruly eyelashes and facilitates mascara application. Its coating action immediately amplifies the length and fullness of your lashes while preventing clumping, flaking and smudging. This primer is the ideal first step in your lash routine. It is hypoallergenic, dermatologist and ophthalmologist reviewed as well as clinically tested.