Ready to say goodbye to heat damage and hello to hair goals? This lightweight serum helps protect your precious strands from up to 450°F of thermal styling and blow-drying, so you can do it all guilt-free. Not only does it help shield your hair from moisture loss, but it also tames those frizzy moments to help leave your hair looking sleek and shiny. How to Use it Ready to say goodbye to heat damage and hello to hair goals? This lightweight serum helps protect your precious strands from up to 450°F of thermal styling and blow-drying, so you can do it all guilt-free. Not only does it help shield your hair from moisture loss, but it also tames those frizzy moments to help leave your hair looking sleek and shiny.