Hair is likely the most overworked, yet under-appreciated part of our body. You put your hair through a lot to achieve your desired look: constant heat, protective styles, various products. But

how much TLC are you giving your hair in return? Enter: leave-in conditioners.

After cleansing and conditioning your hair, leave-in is the next product in the lineup that serves many purposes, from detangling hair with ease to adding an extra burst of hydration after constant manipulation. When used with other styling agents like gels or butters, leave-in works hand-in-hand with the other products to deliver beautiful results. Many people sleep on the power of leave-in conditioners, but here are 16 reasons why you shouldn't. From celebrity hairstylist-approved picks to drugstore holy grails, scroll down to match with your perfect leave-in conditioner.