As of last year, oil had become the ugly duckling–turned–beautiful swan of the beauty world. Formerly avoided like the plague (Clogged pores! Greasiness! Breakouts!), oil is now being slathered on by everyone and their mother (literally, though—it’s great for aging skin) and used to cleanse, moisturize, brighten, and even fight acne. Thus, it should be no surprise that the hair world would soon get on board. Adding shine and softness to your hair with oils is old news by now (hi, argan), but cleansing your hair with oil is another story—a story we’re very, very interested in. Just like how cleansing oils for your skin claim to gently lift oils without harsh surfactants, the latest crop of cleansing oil shampoos promise to do the same for your scalp. Intrigued? Keep scrolling to find out all you need to know about this product trend!