Clarins Pore Control Serum Clarins New Pore Control Serum has an immediate blur effect upon application, making pores appear smaller and creating a smooth base for your make-up. Day after day, key ingredients such as Vine Flower Extract help reduce the appearance of visible pores and refine the skin`s texture to create an even, velvety and radiant complexion. Suitable for all skin types and acts as an anti-blemish serum with a pump applicator.