"How Bad Is It Really To Sleep In Your Makeup?" At first glance, it might seem as though sleeping in a little bit of makeup isn't such a big deal after all. You may think that the products won't affect you because the effects wear off during your fast-moving beauty routine when you wake up in the morning.
But here's the kicker: Those makeup products you washed off have to travel through your body's circulation system before they can break down. And in this process, they are subjected to different temperatures, pressure and light levels – all of which can cause them to separate, oxidize and oxidized.
Now add this concept to an already-active metabolism: your skin is breathing while sleeping, sweating and moisturizing itself. So not only are you sleeping in makeup but it's also becoming part of your skin.
