davines Heart of Glass Sheer Glaze Hair Brightening Thermal Fluid Full Size 5.07 fl oz / 150 mL Retails for $36 New - rear label slightly lifted to view ingredients. Please ask all questions prior to purchasing. Brightening thermal leave-on fluid for blondes. Provides hydration, shine, and heat protection. Thanks to the patented Fortifying Botanical Shield, it gives elasticity and vigour to the hair fiber, helping to extend the duration of the blowdry.