Question: My foundation tends to turn orange by mid-day. Why does this happen and what can I do to prevent it?

Answer: The “orange-face” phenomenon you are referring to is known as oxidization. It happens when the oils in your skin or foundation is interfering with the pigments, causing the color to intensify and turn orange, or in some cases, a shade or two darker.

I too have fallen victim to oxidization before, especially with MAC foundations. So what can you to prevent this? Read on!