Fast-acting treatment featuring Resilient-C Complex rapidly boosts radiance and reverses visible signs of environmental damage. This powerful serum helps to improve brightness, clarity and radiance. Brighter and more radiant in 1 week based on a Murad sponsored study. THE BENEFITS: Faster-acting formula with double the brighteners boosts radiance and reverses visible signs of environmental damage. Preserve clarity and defend against future damage for lasting youthful radiance. Bundle to save!