Bioderma Sebium Pore Refiner Corrective Care Cream Bioderma Sebium Pore Refiner Corrective Care Cream is specially formulated to reduce the pores in combination with oily skin. The exclusive patented Fluidactiv complex biologically regulates the quality of sebum, preventing pore clogging and limiting the appearance of blemishes. Associated with a smoothing active, it is a mattifying powder that reduces shine. It is a good tolerance, non-comedogenic cream that makes a good makeup base.