$3 at eyeslipsface.com
"Lengthen and volumize eyelashes instantly with this Mascara Primer. Revitalize lashes with Pro-Vitamin B5, Hydrolyzed Wheat and Soy Protein-enriched formula. An excellent conditioning base for mascara. Coat each lash with this nourishing primer for lashes that appear naturally thicker, longer and stronger!"
With CoverGirl Super Thick Lash
as compared to mascara alone
Not a huge difference, but does give me some extra length, volume and curl.
It coats the end of my lashes that are very light in color
Not something that works so great that I have to use it all the time