ZO Retinol Skin Brightener .25%A retinol based solution that rapidly improves the appearance of uneven skin tone for a brighter, clearer, and smoother complexion. Benefits Promotes exfoliation to eliminate uneven skin tone and improve skin smoothness Supports skins resiliency against future discoloration aggressors Specially encapsulated to deliver a targeted, controlled release of retinol for maximized brightening Contains calming and soothing properties for improved product