If you’ve ever wondered what your skin barrier actually is, you’re definitely not alone (see: me, not too long ago, plus every single friend who texts and DMs me about their inflamed, red skin on a regular basis). You’ve probably heard the concept of skin barriers mentioned in skincare commercials as of late, along with some *cough* lofty *cough* talk about how to strengthen your barrier, how to love it, how it’s the source of all happiness and sadness, etc.
