Question: what the difference between eyeshadow primer and concealer?
Answer: You can use concealer as an eyeshadow base, but not as an eyeshadow primer. Here's the difference: Eyeshadow primer is formulated to combat the oils produced by the eyelids which can break down and cause creasing of eyeshadows. ... It will not dry and will crease and will cause your eye shadow to crease too.