Cosrx Two In One Poreless Power Liquid Serum With BHA & Tannin is formulated with botanical ingredients, the liquid serum clarifies, smoothes, and gives your complexion a boost of radiance. It is strategically formulated for fast absorption, this pore perfecting serum also cools skin to prevent enlarged pores. Tighten pores to prevent a recurring cycle of blackheads with the Cosrx Two In One Poreless Power Liquid Serum; a dual-action formula that chemically exfoliates pores with BHA, whilst tightening them with tannin. Aside from these primary functions, the liquid is effective in cooling down skin temperature and controlling excessive sebum production. It is formulated with only 0.1% of BHA, it is suitable for use with other AHA or BHA products. It is an oil-fighting liquid that clears up skin congestion and impurities, while tightening and minimising the appearance of enlarged pores. Formulated with 88% willow bark water and betaine salicylate to fight acne, irritated, control excessive oil production, and clear impurities. Tannin acts as a natural astringent to tighten pores and helps your overall complexion look cleaner and more even. COSRX was founded in 2013 as a small Korean skincare brand with a handful of products and big goals. By 2014, COSRX's products were making significant online ripples among the international skincare community with customers reporting fantastic tangible results. Unlike the traditional Korean brands, Cosrx is ingredient focused and uses minimal yet effective ingredients without unnecessary fillers in their products. Cosrx is generally termed as a clean beauty brand as it is believed to contain only safe ingredients.