What it is This serum is made for troubles with large pores and inflamed skin. Containing 60% propolis extract and 2% niacinamide, it helps to control sebum secretion and keeps the skin moist. Key ingredients Propolis extract 60% There is a record that women in the Joseon Dynasty used honey and grain powder as a wash-off mask pack to care for their skin. As a skincare ingredient, proplis extract is effective for hydrating the skin improving inflammed skin. Niacinamide 2% Among the various effects of niacinamide, it is especially helpful in controlling sebum secretion and maintaining the oil and moisture balance of the skin. BHA 0.5% As a fat-soluble exfoliant, it helps to remove sebum and wastes accumulated in the pores.