Provided is a novel agent containing a plant-derived component, which has an effect against the dullness of the skin and an effect against the deterioration of a skin barrier function. A skin dullness suppressing agent or a skin barrier function maintaining or improving agent, which contains an oil-soluble extract derived from red paprika. It is preferred that the skin dullness suppressing agent or the skin barrier function maintaining or improving agent has a dosage form of an oral preparation, and it is also preferred that the oil-soluble extract contains a hexane-soluble component.