TIAM Pore Minimizing 21 Serum is expertly formulated to control excess sebum and refine the appearance of pores, shine, and blackheads. With 20% Niacinamide and 1% Zinc PCA, it effectively tightens pores while brightening skin tone. Enriched with Willow Bark extract, a natural source of BHA, this serum gently exfoliates to remove dead skin cells and impurities, promoting a smoother texture. Clinical tests confirm noticeable improvement in skin complexion after 21 days of consistent use, making it an essential step for clearer, balanced skin.