New Rapid Repair Action. Rejuvenating Power. Discover our revolution in facial treatment, the most complete Advanced Night Repair serum ever. Patented until 2033. Now with Chronolux Power technology Signal, This fast-penetrating serum deeply reduces the appearance of multiple signs of skin aging caused by modern life's environmental aggressors. Skin appears smoother, less lined, younger, more radiant and firm. Tested on all ethnicities. This is one high-performance serum you won't be able to live without. Advanced Night Repair harnesses the repairing power of the night to deliver visible skin renewal. It works day and night to help skin maximize its natural rhythm of repair and protection.