However, I can tell you that people often use an eyeshadow primer as a base before applying eyeshadow. This helps to:
* Create a smooth surface for the eyeshadow to adhere to, preventing creasing and fading.
* Enhance the color payoff of the eyeshadow.
* Make the eyeshadow last longer.
There are many different types of eyeshadow primers available, so you can choose one that suits your needs.
Let me know if you have any other questions about makeup!