A heat protectant spray. Shield your hair from heat damage with Umberto Gianni’s Heat Shield. Lightweight but rich with thermal polymers; this mist provides heat protection (up to 220°C / 428°F) and nourishes the hair. To prevent the hair from becoming brittle and dull; this mist forms a featherweight heat shield around the hair to not only defend it against heat damage but also repel humidity and fight frizz for supersoft; shiny; and sleek hair. Vegan Crueltyfree