The Yves Saint Laurent Top Secrets Glow Perfecting Mist is a 2-in-1 makeup setting spray that hydrates skin while locking in makeup for long-lasting wear.Inspired by makeup artists and developed by skincare experts, the weightless setting spray delivers a veil of luminous hydration that prolongs makeup while bestowing a healthy glow. Delivering all-day hydration, the fixing spray is enriched with Hyaluronic Acid to attract and hold moisture, while Walnut Leaf extract nourishes for a glowing effect. After use, skin feels radiant and luminous, and makeup has that 'just-applied' look, all day.Use before makeup for a hydrating boost, after to set makeup in place, or throughout the day as a refreshing mist.