FineLine Primer is specifically formulated to create a silky, smooth texture that conforms to the contours of your skin. Fine lines and wrinkles on the skin's surface will appear softened and less visible, while leaving your skin feeling smooth and supple. Dermatologist-tested. Hypoallergenic. 0.5 oz. By RevitaLash®. RevitaLash® will donate 20% of October online sales to Breast Cancer Awareness initiatives.