A power shot of radiance, the Clarins Beauty Flash Ampoule is a 7-day treatment that intensively boosts your skin's radiance with its high concentration of Vitamin C. This helps to leave your skin smoother, more luminous, and even-toned. It also reduces the appearance of dark spots and imperfections, giving your skin a radiant glow. To use, press firmly on the lid, insert the dropper, then shake for 10 seconds. Apply morning and night to your face and neck, placing 3 drops in the palm of your hands, warming them, then smoothing from the centre of your face outwards.