Bioderma Sebium Pore Refiner 30MlThe correcting concentrate for dilated pores for combination or oily skin. An excess of sebum, stress, smoking, pollution so many factors are responsible for the dilation and d formation of pores. An expert in cutaneous biology, BIODERMA research has innovated and developed Bioderma Sebium Pore Refiner. This correcting concentrate improves the appearance of the skin: its texture is more refined, more regular and clearer, and the pores are closed and