HEART OF GLASS Sheer GlazeBrightening thermal fluid for blondes. Provides hydration, shine, and protects from heat and UV rays. Thanks to the exclusive active Fortifying botanical shield, from filming and reinforcing properties, it gives elasticity and vigor to the hair fiber, while helping to extend the duration of the blow dry. Benefits Provides moisturization, brightness, protection from heat and UV rays and helps extend the duration of the blow dry. How to use Apply evenly