ZO SKIN HEALTH BY ZEIN OBAGI MD Complexion Clarifying Serum. New without box. Bought 32 days ago but didn’t realize it was for blemish prone skin and already had thrown the box away. 1.7 Fl. Oz. This foundational serum is formulated for a range of skin types, especially combination, oily + blemish-prone skin. A water-based serum engineered with ZO® sebum-targeting science, clinically proven to reduce surface oil, congestion + visible redness for a continually clear + balanced complexion. Retails for $110. Don’t miss out on this award winning serum for a fraction of on of its retail price!