A serum that protects hair from heat and humidity and leaves it incredibly soft | You no longer have to worry about damaging your hair during heat styling. The heat-protecting serum L’Oréal Professionnel Steampod is enriched with alpha-silane, to protect hair from high temperatures and humidity. Its effects are activated by heat and amplified by steam. It creates a perfect protective layer around each hair fiber. It also leaves hair softer, smoother and shinier.