While I have yet to achieve Louis Litt's levels of mudding (What? You don't watch Suits? Why??!!), the lure of a simple clay mask that literally sucks out toxins and other accumulated grime from deep under your skin is massively ooh-worthy! That's why this innocuous ingredient, which literally ... Read More about Clay 101: Which one’s best suited for your skin. And hair. (Because clay masks are everything!)