** NEW IN PACKAGING, NEVER OPENED ** Reduce the appearance of dark spots and uneven skin tone while improving skin barrier function with this powerful skin-brightening serum. This advanced formulation effectively reduces skin discoloration, redness, and glycation-related skin yellowing, leaving the complexion even and bright. - Brightens dark spots and evens skin tone by inhibiting melanogenesis - Blocks the glycation process to minimize age-related skin yellowing and dullness - Boosts barrier function to reduce redness After cleansing, toning, and applying any PCA SKIN® treatment serums, apply to the entire face and neck for maximum skin brightening and anti-aging benefits. Follow with the appropriate PCA SKIN broad spectrum SPF product in the daytime and moisturizer in the evening.