Foundation Separation: Why Primers Cause It & How to Fix It
Silicone-based primers often repel water-based foundation, causing pilling and patches. Learn the 3-5 minute absorption rule and how to match primer to your skin type to stop separation.

Silicone-based primers often repel water-based foundation, causing pilling and patches. Learn the 3-5 minute absorption rule and how to match primer to your skin type to stop separation.