Enjoy perfect skin all day long with the Guerlain Blurring Active Base, a smoothing primer that instantly blurs the appearance of pores & fine lines. An essential step in any makeup routine, the Guerlain Blurring Active Base has a 2-in-1 formula that instantly perfects skin & beautifies your complexion overtime. An elastomer gum combined with Guerlain Pore Control technology helps to smooth & blur pores & fine lines, whilst silica beads absorb excess sebum for a shine-free, smooth & matte complexion. After use, makeup will adhere better to the skin & the complexion will be better protected against pollution thanks to an antioxidant rich Urban Protect complex. Apply after skincare, all over the face. To mattify & blur pores locally, dab primer onto the problem area. Non-comedogenic, dermatologically tested.