A decent face primer will keep your makeup in place and give you an even complexion. While many face primers appear to be the same, their contents differ significantly. When choosing a face primer, there are several factors to consider. This list was compiled by John Doe, an industry professional to assist you in deciding which brand or product to purchase depending on your needs and desires. The best face primers must be affordable, adequate, gluten-free, cruelty-free, nutrient-rich, vegan, and free of dangerous chemicals.