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We put our hair through a lot -- from hair dryers to curling irons to at-home dyes -- all of which can cause hair to lose moisture, making it dry and prone to breakage, especially if you have fine hair. One thing that can help restore your hair's moisture levels? A good leave-in conditioner for fine hair.

Not to be confused with a heat-protectant or curl cream, a leave-in conditioner's main job is to hydrate your hair and aid in detangling. "By deeply hydrating and soothing the cuticle, it locks in moisture to reduce frizz and help define natural texture," explains Leo Izquierdo, co-founder of IGK Hair Care. So it's less about styling and more about hair health (though some do offer both).

This isn't a one-size-fits-all product. The best leave-in conditioner for curly hair isn't necessarily going to be the best leave-in conditioner for thin hair, which is why I talked to experts and combed through reviews to bring you the very best option for fine hair. Check out the products below and get ready to say goodbye to breakage and split ends and hello to a soft, smooth, and shiny new look.