The human body is 60% water, so why is your hair dry? We’ve said it once and we’ll say it again—moisturizing locks is the key to a healthy mane. The best hair hydrators won’t weigh hair down, but aren’t too flimsy, either—they give strands much needed moisture without that ick greasy feeling. How can you find the goldilocks balance in this extensive category? We rounded up the best of every kind of conditioner to make sure you’re using what’s right for you, because we should all look like we’ve emerged from a waterfall in the morning.