Mascara primers serve to enhance the look of your eye makeup. Adding them to your cosmetic routine may seem unnecessary, but they help offer an even base for adding mascara and increase the length of your lashes. There are various aspects to consider while selecting a mascara primer. This list was compiled by John Doe, a market expert, in order to help you choose the finest brand or product for your requirements and interests. The best mascara primers should contain organic and scientifically established ingredients.