Leave-In Serum by REF.
From hair dryers to straighteners, the REF. Leave-In Serum maintains the health and strength of your hair every single day. It is a deeply hydrating, botanical blend that floods each strand with much-needed proteins and vitamins. When used pre-styling, this serum provides protection from excessive heat to ensure you achieve the look you're going for without long-term damage. It is also perfect for smoothing away unwanted frizz and leaves your hair feeling healthy and silk-smooth.