AMPLEUR Clear Concentrate HQ Shot Serum 11ml Like a "hydroquinone patch in a bottle"—a night-time spot treatment serum that targets specific concerns with precision. Formulated with Ampleur’s highest concentration of its unique Highly Penetrating White Hydroquinone, this hard gel adheres firmly to problem areas, delivering brightening care overnight. ■ How to Use Use at night before applying toner. Take an appropriate amount (1 light push per area) onto fingertips and apply gently to areas of concern. This product is for partial use, so please refrain from using it on your entire face.