What it is: A shelf and suitcase-ready pairing of Keihl's best-selling serum.What it does: Formulated with activated C, white birch and peony extracts, this serum helps correct and even skin's appearance while reducing a wide spectrum of dark spots. With daily use, this dark spot correct helps even and brighten skin over time. Use it as a spot treatment for problem areas or on your entire face day and night. It can also be used to target dark spots on your neck, chest and hands.Key ingredients:- Activated C works deeply to visibly brighten, boost clarity and reduce the look of dark spots. It is a lab-engineered, renewable ingredient known for its stability and efficacy- Buffered salicylic acid targets skin surface. It works together with Activated C to visibly reduce discoloration and renew the look of skin's textureSet includes:- Full-size Clearly Corrective™ Dark Spot Solution Face Serum (1.7 oz.)- Travel-size Clearly Corrective™ Dark Spot Solution Face Serum (0.5 oz.)How to use: Apply morning and night, before your moisturizer as a spot treatment or over your entire face. It may also be used on your hands, neck and chest on visible discolorations. Apply a daily sunscreen too for optimal results. $125 Value Dermatologist tested Made in the USA