Discover the beauty of blonde hair with Davines Heart of Glass Duo. Blended with ingredients that nourish and protect, this gentle silicone-free shampoo and conditioner locks in color and shine to ensure your hair looks breathtakingly beautiful. Keep your blonde hues vibrant, prevent cold blondes from veering towards warm hues, and protect your hair from damage caused by sunlight, heated appliances, brushes, and more.