BIODERMA SEBIUM PORE REFINER  Sébium Pore finer is specifically formulated to reduce the appearance of pores of combination to oily skin. The exclusive Fluidactiv™ patented complex biologically regulates sebum quality, keeping pores from becoming clogged and limiting the formation of blemishes. Agaric acid, an astringent ingredient, in combination with a smoothing active ingredient refine skin texture and preserve its natural radiance. Mattifying powders reduce shine.