Filter for smoking article and smoking article comprising same

A filter for a smoking article and a smoking article including the same are provided. A filter according to some embodiments of the present disclosure may comprise: a filter core rod containing a filter material; and the liquid substance is added into the filter core rod. At this time, the molecular weight of the hydrophilic group of the filtration substance may be greater than or equal to the molecular weight of the hydrophobic group, and in this case, a change in filtration performance due to the addition of the liquid substance may be minimized. 提供一种吸烟制品用过滤嘴及包括其的吸烟制品。根据本公开的一些实施例的过滤嘴可以包括：过滤芯棒，含有过滤物质；及液体物质，添加在过滤芯棒中。此时，过滤物质的亲水基团的分子量可以大于或等于疏水基团的分子量，在这种情况下，可以最小化由于添加液体物质而引起的过滤性能的变化。