What it is: A next-gen smart serum that delivers what your skin needs, when and where it needs it.What it does: The Smart Response Serum delivers a personalized response every time, for healthier-looking skin over time. SmartResponse technology helps stop skin damage before it starts using four smart actives which, when triggered, hydrate, brighten, soothe and address the appearance of fine lines and wrinkles in response to skin's changing needs.Key ingredients:- Oligosaccharides (from hydrolyzed Beta Glucan): respond to dehydration signals, helping skin to maintain optimal hydration levels- Hydrolyzed wheat flour: rich in arabinoxylo-oligosaccharides, activates as needed to brighten and help reduce the appearance of dark spots- Antioxidant-rich Japanese cornelia cherry: helps to protect stressed skin against free radicals, helping to soothe and reduce the appearance of redness- Plant-based mannose-6-phosphate: visibly smoothes and provides a firming effect, responding to the first signs of visible skin aging to help improve the look of fine lines and wrinkles- Lactic acid, an alpha-hydroxy acid (AHA): helps to brighten and smooth skinHow to use: Apply the serum each morning and night after cleansing and toning. Allow one minute for product absorption. Use twice daily, morning and night. 1 oz. Made in the USA