The d'Alba Piedmont White Truffle First Spray Serum is a popular vegan, multi-functional, oil-in-water mist that acts as a toner, serum, and setting spray. It offers instant hydration and a radiant, "glass-skin" glow. Key ingredients include white truffle from Italy, tocopherol (Vitamin E), and natural oils to improve elasticity, soothe skin, and provide long-lasting moisture.