Brand from United States: Kiehl's. Kiehl’s No.1 Brightening Serum* Boost Clarity in 7 Days^.Glass-like clarity in a flash! Clinically proven to boost skin clarity in 7 days^, reduce sallowness after 4 weeks**.Helps brighten skin radiance, even skin tone, smoothen skin texture, reduce dark spots and hyperpigmentation and plump for luminosity.Formulated with stable ingredient Activated C, visibly reduces dark spot size, intensity and hyperpigmentation while evening tone and boosting clarity.Patented Proxylane to stimulate collagen production and strengthen collagen network for a plumped and radiant complexion.Dermatologist recommended, hydrating gentle formula, suitable for sensitive skin. Paraben-free, mineral oil-free, and dye-free.How to use:Cleanse skin thoroughly prior to application (Use morning and night after cleanser and toner).Apply over entire face and neck or use as spot treatment.Concentrate on spots or post-acne marks to correct visible discolorations.Pair with Clearly Corrective™ Daily R